Home / 460,656,002.40-690,984,003.60-149,763,017.40

Finding the Fourth Proportional to 460,656,002.40, 690,984,003.60 and 149,763,017.40

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Solution

The fourth proportional to 460,656,002.40, 690,984,003.60 and 149,763,017.40 is: 224,644,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,656,002.40 : 690,984,003.60 = 149,763,017.40 : x
  2. Step 2: Convert to fraction form
    460,656,002.40/690,984,003.60 = 149,763,017.40/x
  3. Step 3: Cross multiply
    460,656,002.40x = 690,984,003.60 × 149,763,017.40
  4. Step 4: Simplify right side
    460,656,002.40x = 103,483,849,354,268,464
  5. Step 5: Solve for x
    x = 103,483,849,354,268,464/460,656,002.40
  6. Step 6: Final answer
    x = 224,644,526.10

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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.