Home / 527,371,726.32-790,980,587.92-153,779,221.44

Finding the Fourth Proportional to 527,371,726.32, 790,980,587.92 and 153,779,221.44

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Solution

The fourth proportional to 527,371,726.32, 790,980,587.92 and 153,779,221.44 is: 230,646,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,371,726.32 : 790,980,587.92 = 153,779,221.44 : x
  2. Step 2: Convert to fraction form
    527,371,726.32/790,980,587.92 = 153,779,221.44/x
  3. Step 3: Cross multiply
    527,371,726.32x = 790,980,587.92 × 153,779,221.44
  4. Step 4: Simplify right side
    527,371,726.32x = 121,636,378,984,491,056
  5. Step 5: Solve for x
    x = 121,636,378,984,491,056/527,371,726.32
  6. Step 6: Final answer
    x = 230,646,378.85

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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.