Home / 1,853,120,791.89-2,779,678,957.50-472,935,447.45

Finding the Fourth Proportional to 1,853,120,791.89, 2,779,678,957.50 and 472,935,447.45

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Solution

The fourth proportional to 1,853,120,791.89, 2,779,678,957.50 and 472,935,447.45 is: 709,402,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,120,791.89 : 2,779,678,957.50 = 472,935,447.45 : x
  2. Step 2: Convert to fraction form
    1,853,120,791.89/2,779,678,957.50 = 472,935,447.45/x
  3. Step 3: Cross multiply
    1,853,120,791.89x = 2,779,678,957.50 × 472,935,447.45
  4. Step 4: Simplify right side
    1,853,120,791.89x = 1,314,608,711,532,612,096
  5. Step 5: Solve for x
    x = 1,314,608,711,532,612,096/1,853,120,791.89
  6. Step 6: Final answer
    x = 709,402,601.97

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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.