Home / 1,277,202,541.50-1,762,541,898.39-690,491,677.50

Finding the Fourth Proportional to 1,277,202,541.50, 1,762,541,898.39 and 690,491,677.50

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Solution

The fourth proportional to 1,277,202,541.50, 1,762,541,898.39 and 690,491,677.50 is: 952,879,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,202,541.50 : 1,762,541,898.39 = 690,491,677.50 : x
  2. Step 2: Convert to fraction form
    1,277,202,541.50/1,762,541,898.39 = 690,491,677.50/x
  3. Step 3: Cross multiply
    1,277,202,541.50x = 1,762,541,898.39 × 690,491,677.50
  4. Step 4: Simplify right side
    1,277,202,541.50x = 1,217,020,512,083,345,664
  5. Step 5: Solve for x
    x = 1,217,020,512,083,345,664/1,277,202,541.50
  6. Step 6: Final answer
    x = 952,879,807.66

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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.