Home / 1,073,088,000.70-1,609,632,001.05-900,901,116.70

Finding the Fourth Proportional to 1,073,088,000.70, 1,609,632,001.05 and 900,901,116.70

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Solution

The fourth proportional to 1,073,088,000.70, 1,609,632,001.05 and 900,901,116.70 is: 1,351,351,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,088,000.70 : 1,609,632,001.05 = 900,901,116.70 : x
  2. Step 2: Convert to fraction form
    1,073,088,000.70/1,609,632,001.05 = 900,901,116.70/x
  3. Step 3: Cross multiply
    1,073,088,000.70x = 1,609,632,001.05 × 900,901,116.70
  4. Step 4: Simplify right side
    1,073,088,000.70x = 1,450,119,267,222,000,640
  5. Step 5: Solve for x
    x = 1,450,119,267,222,000,640/1,073,088,000.70
  6. Step 6: Final answer
    x = 1,351,351,675.05

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Half scale
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Double scale
Find fourth proportional to 1,073,088,001.70, 1,609,632,002.55 and 900,901,117.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.