Home / 776,679,150.90-1,165,018,726.35-471,909,717.30

Finding the Fourth Proportional to 776,679,150.90, 1,165,018,726.35 and 471,909,717.30

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Solution

The fourth proportional to 776,679,150.90, 1,165,018,726.35 and 471,909,717.30 is: 707,864,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,679,150.90 : 1,165,018,726.35 = 471,909,717.30 : x
  2. Step 2: Convert to fraction form
    776,679,150.90/1,165,018,726.35 = 471,909,717.30/x
  3. Step 3: Cross multiply
    776,679,150.90x = 1,165,018,726.35 × 471,909,717.30
  4. Step 4: Simplify right side
    776,679,150.90x = 549,783,657,801,034,560
  5. Step 5: Solve for x
    x = 549,783,657,801,034,560/776,679,150.90
  6. Step 6: Final answer
    x = 707,864,575.95

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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.