Home / 598,900,343.80-896,838,861.30-393,315,345.40

Finding the Fourth Proportional to 598,900,343.80, 896,838,861.30 and 393,315,345.40

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Solution

The fourth proportional to 598,900,343.80, 896,838,861.30 and 393,315,345.40 is: 588,980,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,900,343.80 : 896,838,861.30 = 393,315,345.40 : x
  2. Step 2: Convert to fraction form
    598,900,343.80/896,838,861.30 = 393,315,345.40/x
  3. Step 3: Cross multiply
    598,900,343.80x = 896,838,861.30 × 393,315,345.40
  4. Step 4: Simplify right side
    598,900,343.80x = 352,740,486,500,352,128
  5. Step 5: Solve for x
    x = 352,740,486,500,352,128/598,900,343.80
  6. Step 6: Final answer
    x = 588,980,270.51

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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.