Home / 748,865,364.77-1,123,451,251.69-257,514,822.19

Finding the Fourth Proportional to 748,865,364.77, 1,123,451,251.69 and 257,514,822.19

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Solution

The fourth proportional to 748,865,364.77, 1,123,451,251.69 and 257,514,822.19 is: 386,324,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,865,364.77 : 1,123,451,251.69 = 257,514,822.19 : x
  2. Step 2: Convert to fraction form
    748,865,364.77/1,123,451,251.69 = 257,514,822.19/x
  3. Step 3: Cross multiply
    748,865,364.77x = 1,123,451,251.69 × 257,514,822.19
  4. Step 4: Simplify right side
    748,865,364.77x = 289,305,349,313,019,264
  5. Step 5: Solve for x
    x = 289,305,349,313,019,264/748,865,364.77
  6. Step 6: Final answer
    x = 386,324,916.23

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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.