Home / 476,344,981.80-714,517,472.70-472,313,903.40

Finding the Fourth Proportional to 476,344,981.80, 714,517,472.70 and 472,313,903.40

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Solution

The fourth proportional to 476,344,981.80, 714,517,472.70 and 472,313,903.40 is: 708,470,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,344,981.80 : 714,517,472.70 = 472,313,903.40 : x
  2. Step 2: Convert to fraction form
    476,344,981.80/714,517,472.70 = 472,313,903.40/x
  3. Step 3: Cross multiply
    476,344,981.80x = 714,517,472.70 × 472,313,903.40
  4. Step 4: Simplify right side
    476,344,981.80x = 337,476,536,578,439,936
  5. Step 5: Solve for x
    x = 337,476,536,578,439,936/476,344,981.80
  6. Step 6: Final answer
    x = 708,470,855.10

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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.