Home / 807,178,217.33-1,113,905,933.36-435,900,215.90

Finding the Fourth Proportional to 807,178,217.33, 1,113,905,933.36 and 435,900,215.90

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Solution

The fourth proportional to 807,178,217.33, 1,113,905,933.36 and 435,900,215.90 is: 601,542,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,178,217.33 : 1,113,905,933.36 = 435,900,215.90 : x
  2. Step 2: Convert to fraction form
    807,178,217.33/1,113,905,933.36 = 435,900,215.90/x
  3. Step 3: Cross multiply
    807,178,217.33x = 1,113,905,933.36 × 435,900,215.90
  4. Step 4: Simplify right side
    807,178,217.33x = 485,551,836,836,165,952
  5. Step 5: Solve for x
    x = 485,551,836,836,165,952/807,178,217.33
  6. Step 6: Final answer
    x = 601,542,294.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.