Home / 579,456,851.70-869,185,277.55-148,635,347.70

Finding the Fourth Proportional to 579,456,851.70, 869,185,277.55 and 148,635,347.70

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Solution

The fourth proportional to 579,456,851.70, 869,185,277.55 and 148,635,347.70 is: 222,953,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,456,851.70 : 869,185,277.55 = 148,635,347.70 : x
  2. Step 2: Convert to fraction form
    579,456,851.70/869,185,277.55 = 148,635,347.70/x
  3. Step 3: Cross multiply
    579,456,851.70x = 869,185,277.55 × 148,635,347.70
  4. Step 4: Simplify right side
    579,456,851.70x = 129,191,655,944,365,232
  5. Step 5: Solve for x
    x = 129,191,655,944,365,232/579,456,851.70
  6. Step 6: Final answer
    x = 222,953,021.55

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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.