Home / 726,323,402.53-1,002,243,523.56-408,722,303.53

Finding the Fourth Proportional to 726,323,402.53, 1,002,243,523.56 and 408,722,303.53

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Solution

The fourth proportional to 726,323,402.53, 1,002,243,523.56 and 408,722,303.53 is: 563,990,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,323,402.53 : 1,002,243,523.56 = 408,722,303.53 : x
  2. Step 2: Convert to fraction form
    726,323,402.53/1,002,243,523.56 = 408,722,303.53/x
  3. Step 3: Cross multiply
    726,323,402.53x = 1,002,243,523.56 × 408,722,303.53
  4. Step 4: Simplify right side
    726,323,402.53x = 409,639,281,642,455,744
  5. Step 5: Solve for x
    x = 409,639,281,642,455,744/726,323,402.53
  6. Step 6: Final answer
    x = 563,990,200.81

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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.