Home / 668,445,389.20-1,002,668,083.80-523,326,566.80

Finding the Fourth Proportional to 668,445,389.20, 1,002,668,083.80 and 523,326,566.80

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Solution

The fourth proportional to 668,445,389.20, 1,002,668,083.80 and 523,326,566.80 is: 784,989,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,445,389.20 : 1,002,668,083.80 = 523,326,566.80 : x
  2. Step 2: Convert to fraction form
    668,445,389.20/1,002,668,083.80 = 523,326,566.80/x
  3. Step 3: Cross multiply
    668,445,389.20x = 1,002,668,083.80 × 523,326,566.80
  4. Step 4: Simplify right side
    668,445,389.20x = 524,722,845,934,988,672
  5. Step 5: Solve for x
    x = 524,722,845,934,988,672/668,445,389.20
  6. Step 6: Final answer
    x = 784,989,850.20

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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.