Home / 1,291,580,385.06-1,937,678,493.15-418,182,016.35

Finding the Fourth Proportional to 1,291,580,385.06, 1,937,678,493.15 and 418,182,016.35

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Solution

The fourth proportional to 1,291,580,385.06, 1,937,678,493.15 and 418,182,016.35 is: 627,372,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,580,385.06 : 1,937,678,493.15 = 418,182,016.35 : x
  2. Step 2: Convert to fraction form
    1,291,580,385.06/1,937,678,493.15 = 418,182,016.35/x
  3. Step 3: Cross multiply
    1,291,580,385.06x = 1,937,678,493.15 × 418,182,016.35
  4. Step 4: Simplify right side
    1,291,580,385.06x = 810,302,299,303,496,704
  5. Step 5: Solve for x
    x = 810,302,299,303,496,704/1,291,580,385.06
  6. Step 6: Final answer
    x = 627,372,720.02

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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.