Home / 598,752,140.40-898,128,210.60-424,412,920.35

Finding the Fourth Proportional to 598,752,140.40, 898,128,210.60 and 424,412,920.35

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Solution

The fourth proportional to 598,752,140.40, 898,128,210.60 and 424,412,920.35 is: 636,619,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,752,140.40 : 898,128,210.60 = 424,412,920.35 : x
  2. Step 2: Convert to fraction form
    598,752,140.40/898,128,210.60 = 424,412,920.35/x
  3. Step 3: Cross multiply
    598,752,140.40x = 898,128,210.60 × 424,412,920.35
  4. Step 4: Simplify right side
    598,752,140.40x = 381,177,216,709,465,856
  5. Step 5: Solve for x
    x = 381,177,216,709,465,856/598,752,140.40
  6. Step 6: Final answer
    x = 636,619,380.53

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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.