Home / 1,545,324,391.72-2,133,102,363.59-918,791,324.98

Finding the Fourth Proportional to 1,545,324,391.72, 2,133,102,363.59 and 918,791,324.98

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Solution

The fourth proportional to 1,545,324,391.72, 2,133,102,363.59 and 918,791,324.98 is: 1,268,261,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,324,391.72 : 2,133,102,363.59 = 918,791,324.98 : x
  2. Step 2: Convert to fraction form
    1,545,324,391.72/2,133,102,363.59 = 918,791,324.98/x
  3. Step 3: Cross multiply
    1,545,324,391.72x = 2,133,102,363.59 × 918,791,324.98
  4. Step 4: Simplify right side
    1,545,324,391.72x = 1,959,875,946,960,825,856
  5. Step 5: Solve for x
    x = 1,959,875,946,960,825,856/1,545,324,391.72
  6. Step 6: Final answer
    x = 1,268,261,833.87

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1.5x scale

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.