Home / 431,083,417.20-646,625,125.80-431,083,417.20

Finding the Fourth Proportional to 431,083,417.20, 646,625,125.80 and 431,083,417.20

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Solution

The fourth proportional to 431,083,417.20, 646,625,125.80 and 431,083,417.20 is: 646,625,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,083,417.20 : 646,625,125.80 = 431,083,417.20 : x
  2. Step 2: Convert to fraction form
    431,083,417.20/646,625,125.80 = 431,083,417.20/x
  3. Step 3: Cross multiply
    431,083,417.20x = 646,625,125.80 × 431,083,417.20
  4. Step 4: Simplify right side
    431,083,417.20x = 278,749,368,877,243,840
  5. Step 5: Solve for x
    x = 278,749,368,877,243,840/431,083,417.20
  6. Step 6: Final answer
    x = 646,625,125.80

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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.