Home / 1,170,048,302.10-1,755,072,453.15-393,435,854.10

Finding the Fourth Proportional to 1,170,048,302.10, 1,755,072,453.15 and 393,435,854.10

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Solution

The fourth proportional to 1,170,048,302.10, 1,755,072,453.15 and 393,435,854.10 is: 590,153,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,048,302.10 : 1,755,072,453.15 = 393,435,854.10 : x
  2. Step 2: Convert to fraction form
    1,170,048,302.10/1,755,072,453.15 = 393,435,854.10/x
  3. Step 3: Cross multiply
    1,170,048,302.10x = 1,755,072,453.15 × 393,435,854.10
  4. Step 4: Simplify right side
    1,170,048,302.10x = 690,508,429,612,452,608
  5. Step 5: Solve for x
    x = 690,508,429,612,452,608/1,170,048,302.10
  6. Step 6: Final answer
    x = 590,153,781.15

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Double scale
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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.