Home / 1,012,293,197.55-1,518,425,622.95-398,882,737.71

Finding the Fourth Proportional to 1,012,293,197.55, 1,518,425,622.95 and 398,882,737.71

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Solution

The fourth proportional to 1,012,293,197.55, 1,518,425,622.95 and 398,882,737.71 is: 598,318,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,293,197.55 : 1,518,425,622.95 = 398,882,737.71 : x
  2. Step 2: Convert to fraction form
    1,012,293,197.55/1,518,425,622.95 = 398,882,737.71/x
  3. Step 3: Cross multiply
    1,012,293,197.55x = 1,518,425,622.95 × 398,882,737.71
  4. Step 4: Simplify right side
    1,012,293,197.55x = 605,673,769,489,313,792
  5. Step 5: Solve for x
    x = 605,673,769,489,313,792/1,012,293,197.55
  6. Step 6: Final answer
    x = 598,318,521.70

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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.