Home / 518,357,001-715,347,591.30-286,584,922.92

Finding the Fourth Proportional to 518,357,001, 715,347,591.30 and 286,584,922.92

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Solution

The fourth proportional to 518,357,001, 715,347,591.30 and 286,584,922.92 is: 395,495,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,357,001 : 715,347,591.30 = 286,584,922.92 : x
  2. Step 2: Convert to fraction form
    518,357,001/715,347,591.30 = 286,584,922.92/x
  3. Step 3: Cross multiply
    518,357,001x = 715,347,591.30 × 286,584,922.92
  4. Step 4: Simplify right side
    518,357,001x = 205,007,834,313,718,176
  5. Step 5: Solve for x
    x = 205,007,834,313,718,176/518,357,001
  6. Step 6: Final answer
    x = 395,495,447.96

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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.