Home / 538,513,548.30-743,022,125.13-326,815,686.69

Finding the Fourth Proportional to 538,513,548.30, 743,022,125.13 and 326,815,686.69

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Solution

The fourth proportional to 538,513,548.30, 743,022,125.13 and 326,815,686.69 is: 450,928,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,513,548.30 : 743,022,125.13 = 326,815,686.69 : x
  2. Step 2: Convert to fraction form
    538,513,548.30/743,022,125.13 = 326,815,686.69/x
  3. Step 3: Cross multiply
    538,513,548.30x = 743,022,125.13 × 326,815,686.69
  4. Step 4: Simplify right side
    538,513,548.30x = 242,831,286,050,224,064
  5. Step 5: Solve for x
    x = 242,831,286,050,224,064/538,513,548.30
  6. Step 6: Final answer
    x = 450,928,833.30

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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.