Home / 649,989,060.76-896,984,806.50-371,536,563

Finding the Fourth Proportional to 649,989,060.76, 896,984,806.50 and 371,536,563

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Solution

The fourth proportional to 649,989,060.76, 896,984,806.50 and 371,536,563 is: 512,720,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,989,060.76 : 896,984,806.50 = 371,536,563 : x
  2. Step 2: Convert to fraction form
    649,989,060.76/896,984,806.50 = 371,536,563/x
  3. Step 3: Cross multiply
    649,989,060.76x = 896,984,806.50 × 371,536,563
  4. Step 4: Simplify right side
    649,989,060.76x = 333,262,652,070,230,080
  5. Step 5: Solve for x
    x = 333,262,652,070,230,080/649,989,060.76
  6. Step 6: Final answer
    x = 512,720,401.30

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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.