Home / 597,989,461.20-896,984,191.80-391,365,200.40

Finding the Fourth Proportional to 597,989,461.20, 896,984,191.80 and 391,365,200.40

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Solution

The fourth proportional to 597,989,461.20, 896,984,191.80 and 391,365,200.40 is: 587,047,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,989,461.20 : 896,984,191.80 = 391,365,200.40 : x
  2. Step 2: Convert to fraction form
    597,989,461.20/896,984,191.80 = 391,365,200.40/x
  3. Step 3: Cross multiply
    597,989,461.20x = 896,984,191.80 × 391,365,200.40
  4. Step 4: Simplify right side
    597,989,461.20x = 351,048,397,979,438,976
  5. Step 5: Solve for x
    x = 351,048,397,979,438,976/597,989,461.20
  6. Step 6: Final answer
    x = 587,047,800.60

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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.