Home / 762,079,939.28-1,049,710,815.90-538,677,546.40

Finding the Fourth Proportional to 762,079,939.28, 1,049,710,815.90 and 538,677,546.40

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Solution

The fourth proportional to 762,079,939.28, 1,049,710,815.90 and 538,677,546.40 is: 741,989,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,079,939.28 : 1,049,710,815.90 = 538,677,546.40 : x
  2. Step 2: Convert to fraction form
    762,079,939.28/1,049,710,815.90 = 538,677,546.40/x
  3. Step 3: Cross multiply
    762,079,939.28x = 1,049,710,815.90 × 538,677,546.40
  4. Step 4: Simplify right side
    762,079,939.28x = 565,455,646,738,554,048
  5. Step 5: Solve for x
    x = 565,455,646,738,554,048/762,079,939.28
  6. Step 6: Final answer
    x = 741,989,937.79

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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.