Home / 462,707,672.41-689,252,382.33-437,645,911.30

Finding the Fourth Proportional to 462,707,672.41, 689,252,382.33 and 437,645,911.30

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Solution

The fourth proportional to 462,707,672.41, 689,252,382.33 and 437,645,911.30 is: 651,920,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,707,672.41 : 689,252,382.33 = 437,645,911.30 : x
  2. Step 2: Convert to fraction form
    462,707,672.41/689,252,382.33 = 437,645,911.30/x
  3. Step 3: Cross multiply
    462,707,672.41x = 689,252,382.33 × 437,645,911.30
  4. Step 4: Simplify right side
    462,707,672.41x = 301,648,486,977,062,656
  5. Step 5: Solve for x
    x = 301,648,486,977,062,656/462,707,672.41
  6. Step 6: Final answer
    x = 651,920,218.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.