Home / 256,552,644.60-384,828,966.90-224,267,603.85

Finding the Fourth Proportional to 256,552,644.60, 384,828,966.90 and 224,267,603.85

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Solution

The fourth proportional to 256,552,644.60, 384,828,966.90 and 224,267,603.85 is: 336,401,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,552,644.60 : 384,828,966.90 = 224,267,603.85 : x
  2. Step 2: Convert to fraction form
    256,552,644.60/384,828,966.90 = 224,267,603.85/x
  3. Step 3: Cross multiply
    256,552,644.60x = 384,828,966.90 × 224,267,603.85
  4. Step 4: Simplify right side
    256,552,644.60x = 86,304,670,298,733,952
  5. Step 5: Solve for x
    x = 86,304,670,298,733,952/256,552,644.60
  6. Step 6: Final answer
    x = 336,401,405.78

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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.