Home / 486,781,356.75-730,165,657.14-118,315,238.58

Finding the Fourth Proportional to 486,781,356.75, 730,165,657.14 and 118,315,238.58

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Solution

The fourth proportional to 486,781,356.75, 730,165,657.14 and 118,315,238.58 is: 177,471,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,781,356.75 : 730,165,657.14 = 118,315,238.58 : x
  2. Step 2: Convert to fraction form
    486,781,356.75/730,165,657.14 = 118,315,238.58/x
  3. Step 3: Cross multiply
    486,781,356.75x = 730,165,657.14 × 118,315,238.58
  4. Step 4: Simplify right side
    486,781,356.75x = 86,389,723,927,441,584
  5. Step 5: Solve for x
    x = 86,389,723,927,441,584/486,781,356.75
  6. Step 6: Final answer
    x = 177,471,307.66

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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.