Home / 442,547,407.47-663,493,854.56-267,631,554.63

Finding the Fourth Proportional to 442,547,407.47, 663,493,854.56 and 267,631,554.63

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Solution

The fourth proportional to 442,547,407.47, 663,493,854.56 and 267,631,554.63 is: 401,249,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,547,407.47 : 663,493,854.56 = 267,631,554.63 : x
  2. Step 2: Convert to fraction form
    442,547,407.47/663,493,854.56 = 267,631,554.63/x
  3. Step 3: Cross multiply
    442,547,407.47x = 663,493,854.56 × 267,631,554.63
  4. Step 4: Simplify right side
    442,547,407.47x = 177,571,891,781,162,080
  5. Step 5: Solve for x
    x = 177,571,891,781,162,080/442,547,407.47
  6. Step 6: Final answer
    x = 401,249,422.74

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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.