Home / 1,154,736,000.30-1,732,104,000.45-638,175,348.30

Finding the Fourth Proportional to 1,154,736,000.30, 1,732,104,000.45 and 638,175,348.30

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Solution

The fourth proportional to 1,154,736,000.30, 1,732,104,000.45 and 638,175,348.30 is: 957,263,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,736,000.30 : 1,732,104,000.45 = 638,175,348.30 : x
  2. Step 2: Convert to fraction form
    1,154,736,000.30/1,732,104,000.45 = 638,175,348.30/x
  3. Step 3: Cross multiply
    1,154,736,000.30x = 1,732,104,000.45 × 638,175,348.30
  4. Step 4: Simplify right side
    1,154,736,000.30x = 1,105,386,073,779,002,112
  5. Step 5: Solve for x
    x = 1,105,386,073,779,002,112/1,154,736,000.30
  6. Step 6: Final answer
    x = 957,263,022.45

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Double scale
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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.