Home / 289,002,963.96-398,824,298.28-156,843,926.28

Finding the Fourth Proportional to 289,002,963.96, 398,824,298.28 and 156,843,926.28

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Solution

The fourth proportional to 289,002,963.96, 398,824,298.28 and 156,843,926.28 is: 216,444,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,002,963.96 : 398,824,298.28 = 156,843,926.28 : x
  2. Step 2: Convert to fraction form
    289,002,963.96/398,824,298.28 = 156,843,926.28/x
  3. Step 3: Cross multiply
    289,002,963.96x = 398,824,298.28 × 156,843,926.28
  4. Step 4: Simplify right side
    289,002,963.96x = 62,553,168,838,101,048
  5. Step 5: Solve for x
    x = 62,553,168,838,101,048/289,002,963.96
  6. Step 6: Final answer
    x = 216,444,731.16

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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.