Home / 978,720,664.32-1,350,634,441.53-532,687,225.73

Finding the Fourth Proportional to 978,720,664.32, 1,350,634,441.53 and 532,687,225.73

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Solution

The fourth proportional to 978,720,664.32, 1,350,634,441.53 and 532,687,225.73 is: 735,108,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,720,664.32 : 1,350,634,441.53 = 532,687,225.73 : x
  2. Step 2: Convert to fraction form
    978,720,664.32/1,350,634,441.53 = 532,687,225.73/x
  3. Step 3: Cross multiply
    978,720,664.32x = 1,350,634,441.53 × 532,687,225.73
  4. Step 4: Simplify right side
    978,720,664.32x = 719,465,713,627,250,432
  5. Step 5: Solve for x
    x = 719,465,713,627,250,432/978,720,664.32
  6. Step 6: Final answer
    x = 735,108,330.55

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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.