Home / 440,398,436.80-607,767,354.12-242,176,182.88

Finding the Fourth Proportional to 440,398,436.80, 607,767,354.12 and 242,176,182.88

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Solution

The fourth proportional to 440,398,436.80, 607,767,354.12 and 242,176,182.88 is: 334,212,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,398,436.80 : 607,767,354.12 = 242,176,182.88 : x
  2. Step 2: Convert to fraction form
    440,398,436.80/607,767,354.12 = 242,176,182.88/x
  3. Step 3: Cross multiply
    440,398,436.80x = 607,767,354.12 × 242,176,182.88
  4. Step 4: Simplify right side
    440,398,436.80x = 147,186,777,899,858,848
  5. Step 5: Solve for x
    x = 147,186,777,899,858,848/440,398,436.80
  6. Step 6: Final answer
    x = 334,212,761.90

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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.