Home / 608,972,247.72-840,382,531.38-330,513,774.84

Finding the Fourth Proportional to 608,972,247.72, 840,382,531.38 and 330,513,774.84

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Solution

The fourth proportional to 608,972,247.72, 840,382,531.38 and 330,513,774.84 is: 456,109,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,972,247.72 : 840,382,531.38 = 330,513,774.84 : x
  2. Step 2: Convert to fraction form
    608,972,247.72/840,382,531.38 = 330,513,774.84/x
  3. Step 3: Cross multiply
    608,972,247.72x = 840,382,531.38 × 330,513,774.84
  4. Step 4: Simplify right side
    608,972,247.72x = 277,758,002,755,998,528
  5. Step 5: Solve for x
    x = 277,758,002,755,998,528/608,972,247.72
  6. Step 6: Final answer
    x = 456,109,459.50

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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.