Home / 518,945,493.47-716,144,314.01-292,932,060.71

Finding the Fourth Proportional to 518,945,493.47, 716,144,314.01 and 292,932,060.71

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Solution

The fourth proportional to 518,945,493.47, 716,144,314.01 and 292,932,060.71 is: 404,245,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,945,493.47 : 716,144,314.01 = 292,932,060.71 : x
  2. Step 2: Convert to fraction form
    518,945,493.47/716,144,314.01 = 292,932,060.71/x
  3. Step 3: Cross multiply
    518,945,493.47x = 716,144,314.01 × 292,932,060.71
  4. Step 4: Simplify right side
    518,945,493.47x = 209,781,629,671,221,312
  5. Step 5: Solve for x
    x = 209,781,629,671,221,312/518,945,493.47
  6. Step 6: Final answer
    x = 404,245,980.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.