Home / 1,853,120,726.30-2,779,678,858.72-472,935,381.86

Finding the Fourth Proportional to 1,853,120,726.30, 2,779,678,858.72 and 472,935,381.86

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Solution

The fourth proportional to 1,853,120,726.30, 2,779,678,858.72 and 472,935,381.86 is: 709,402,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,120,726.30 : 2,779,678,858.72 = 472,935,381.86 : x
  2. Step 2: Convert to fraction form
    1,853,120,726.30/2,779,678,858.72 = 472,935,381.86/x
  3. Step 3: Cross multiply
    1,853,120,726.30x = 2,779,678,858.72 × 472,935,381.86
  4. Step 4: Simplify right side
    1,853,120,726.30x = 1,314,608,482,496,912,128
  5. Step 5: Solve for x
    x = 1,314,608,482,496,912,128/1,853,120,726.30
  6. Step 6: Final answer
    x = 709,402,503.48

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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.