Home / 1,073,088,068.20-1,609,632,102.30-664,941,380.20

Finding the Fourth Proportional to 1,073,088,068.20, 1,609,632,102.30 and 664,941,380.20

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Solution

The fourth proportional to 1,073,088,068.20, 1,609,632,102.30 and 664,941,380.20 is: 997,412,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,088,068.20 : 1,609,632,102.30 = 664,941,380.20 : x
  2. Step 2: Convert to fraction form
    1,073,088,068.20/1,609,632,102.30 = 664,941,380.20/x
  3. Step 3: Cross multiply
    1,073,088,068.20x = 1,609,632,102.30 × 664,941,380.20
  4. Step 4: Simplify right side
    1,073,088,068.20x = 1,070,310,991,717,589,632
  5. Step 5: Solve for x
    x = 1,070,310,991,717,589,632/1,073,088,068.20
  6. Step 6: Final answer
    x = 997,412,070.30

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Half scale
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Double scale
Find fourth proportional to 1,073,088,069.20, 1,609,632,103.80 and 664,941,381.20
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.