Home / 415,106,988.83-623,091,318.14-240,571,031.72

Finding the Fourth Proportional to 415,106,988.83, 623,091,318.14 and 240,571,031.72

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Solution

The fourth proportional to 415,106,988.83, 623,091,318.14 and 240,571,031.72 is: 361,106,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,106,988.83 : 623,091,318.14 = 240,571,031.72 : x
  2. Step 2: Convert to fraction form
    415,106,988.83/623,091,318.14 = 240,571,031.72/x
  3. Step 3: Cross multiply
    415,106,988.83x = 623,091,318.14 × 240,571,031.72
  4. Step 4: Simplify right side
    415,106,988.83x = 149,897,721,256,396,224
  5. Step 5: Solve for x
    x = 149,897,721,256,396,224/415,106,988.83
  6. Step 6: Final answer
    x = 361,106,233.55

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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.