Home / 468,387,463.36-646,162,731.84-282,689,118.40

Finding the Fourth Proportional to 468,387,463.36, 646,162,731.84 and 282,689,118.40

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Solution

The fourth proportional to 468,387,463.36, 646,162,731.84 and 282,689,118.40 is: 389,983,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,387,463.36 : 646,162,731.84 = 282,689,118.40 : x
  2. Step 2: Convert to fraction form
    468,387,463.36/646,162,731.84 = 282,689,118.40/x
  3. Step 3: Cross multiply
    468,387,463.36x = 646,162,731.84 × 282,689,118.40
  4. Step 4: Simplify right side
    468,387,463.36x = 182,663,173,006,785,216
  5. Step 5: Solve for x
    x = 182,663,173,006,785,216/468,387,463.36
  6. Step 6: Final answer
    x = 389,983,053.13

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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.