Home / 674,735,187.40-1,012,102,781.10-402,413,446.60

Finding the Fourth Proportional to 674,735,187.40, 1,012,102,781.10 and 402,413,446.60

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Solution

The fourth proportional to 674,735,187.40, 1,012,102,781.10 and 402,413,446.60 is: 603,620,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,735,187.40 : 1,012,102,781.10 = 402,413,446.60 : x
  2. Step 2: Convert to fraction form
    674,735,187.40/1,012,102,781.10 = 402,413,446.60/x
  3. Step 3: Cross multiply
    674,735,187.40x = 1,012,102,781.10 × 402,413,446.60
  4. Step 4: Simplify right side
    674,735,187.40x = 407,283,768,455,896,384
  5. Step 5: Solve for x
    x = 407,283,768,455,896,384/674,735,187.40
  6. Step 6: Final answer
    x = 603,620,169.90

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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.