Home / 1,226,836,044.60-1,840,206,827.70-408,948,345.60

Finding the Fourth Proportional to 1,226,836,044.60, 1,840,206,827.70 and 408,948,345.60

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Solution

The fourth proportional to 1,226,836,044.60, 1,840,206,827.70 and 408,948,345.60 is: 613,406,771.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,836,044.60 : 1,840,206,827.70 = 408,948,345.60 : x
  2. Step 2: Convert to fraction form
    1,226,836,044.60/1,840,206,827.70 = 408,948,345.60/x
  3. Step 3: Cross multiply
    1,226,836,044.60x = 1,840,206,827.70 × 408,948,345.60
  4. Step 4: Simplify right side
    1,226,836,044.60x = 752,549,537,749,739,264
  5. Step 5: Solve for x
    x = 752,549,537,749,739,264/1,226,836,044.60
  6. Step 6: Final answer
    x = 613,406,771.88

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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.