Home / 391,155,073.60-539,798,298.24-214,943,114.56

Finding the Fourth Proportional to 391,155,073.60, 539,798,298.24 and 214,943,114.56

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Solution

The fourth proportional to 391,155,073.60, 539,798,298.24 and 214,943,114.56 is: 296,623,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,155,073.60 : 539,798,298.24 = 214,943,114.56 : x
  2. Step 2: Convert to fraction form
    391,155,073.60/539,798,298.24 = 214,943,114.56/x
  3. Step 3: Cross multiply
    391,155,073.60x = 539,798,298.24 × 214,943,114.56
  4. Step 4: Simplify right side
    391,155,073.60x = 116,025,927,457,893,376
  5. Step 5: Solve for x
    x = 116,025,927,457,893,376/391,155,073.60
  6. Step 6: Final answer
    x = 296,623,859.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.