Home / 329,688,986.64-454,971,696.78-181,019,737.20

Finding the Fourth Proportional to 329,688,986.64, 454,971,696.78 and 181,019,737.20

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Solution

The fourth proportional to 329,688,986.64, 454,971,696.78 and 181,019,737.20 is: 249,807,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,688,986.64 : 454,971,696.78 = 181,019,737.20 : x
  2. Step 2: Convert to fraction form
    329,688,986.64/454,971,696.78 = 181,019,737.20/x
  3. Step 3: Cross multiply
    329,688,986.64x = 454,971,696.78 × 181,019,737.20
  4. Step 4: Simplify right side
    329,688,986.64x = 82,358,856,984,553,680
  5. Step 5: Solve for x
    x = 82,358,856,984,553,680/329,688,986.64
  6. Step 6: Final answer
    x = 249,807,728.87

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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.