Home / 944,787,387.60-1,417,181,081.40-485,622,363.60

Finding the Fourth Proportional to 944,787,387.60, 1,417,181,081.40 and 485,622,363.60

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Solution

The fourth proportional to 944,787,387.60, 1,417,181,081.40 and 485,622,363.60 is: 728,433,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,787,387.60 : 1,417,181,081.40 = 485,622,363.60 : x
  2. Step 2: Convert to fraction form
    944,787,387.60/1,417,181,081.40 = 485,622,363.60/x
  3. Step 3: Cross multiply
    944,787,387.60x = 1,417,181,081.40 × 485,622,363.60
  4. Step 4: Simplify right side
    944,787,387.60x = 688,214,826,398,672,128
  5. Step 5: Solve for x
    x = 688,214,826,398,672,128/944,787,387.60
  6. Step 6: Final answer
    x = 728,433,545.40

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1.5x scale

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.