Home / 462,826,371.79-638,668,948.41-253,995,966.54

Finding the Fourth Proportional to 462,826,371.79, 638,668,948.41 and 253,995,966.54

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Solution

The fourth proportional to 462,826,371.79, 638,668,948.41 and 253,995,966.54 is: 350,497,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,826,371.79 : 638,668,948.41 = 253,995,966.54 : x
  2. Step 2: Convert to fraction form
    462,826,371.79/638,668,948.41 = 253,995,966.54/x
  3. Step 3: Cross multiply
    462,826,371.79x = 638,668,948.41 × 253,995,966.54
  4. Step 4: Simplify right side
    462,826,371.79x = 162,219,336,850,483,328
  5. Step 5: Solve for x
    x = 162,219,336,850,483,328/462,826,371.79
  6. Step 6: Final answer
    x = 350,497,177.21

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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.