Home / 791,439,078.30-1,092,181,904.82-439,011,420.36

Finding the Fourth Proportional to 791,439,078.30, 1,092,181,904.82 and 439,011,420.36

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Solution

The fourth proportional to 791,439,078.30, 1,092,181,904.82 and 439,011,420.36 is: 605,833,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,439,078.30 : 1,092,181,904.82 = 439,011,420.36 : x
  2. Step 2: Convert to fraction form
    791,439,078.30/1,092,181,904.82 = 439,011,420.36/x
  3. Step 3: Cross multiply
    791,439,078.30x = 1,092,181,904.82 × 439,011,420.36
  4. Step 4: Simplify right side
    791,439,078.30x = 479,480,329,326,518,528
  5. Step 5: Solve for x
    x = 479,480,329,326,518,528/791,439,078.30
  6. Step 6: Final answer
    x = 605,833,528.41

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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.