Home / 561,326,150.76-774,725,666.04-326,512,925.25

Finding the Fourth Proportional to 561,326,150.76, 774,725,666.04 and 326,512,925.25

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Solution

The fourth proportional to 561,326,150.76, 774,725,666.04 and 326,512,925.25 is: 450,643,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,326,150.76 : 774,725,666.04 = 326,512,925.25 : x
  2. Step 2: Convert to fraction form
    561,326,150.76/774,725,666.04 = 326,512,925.25/x
  3. Step 3: Cross multiply
    561,326,150.76x = 774,725,666.04 × 326,512,925.25
  4. Step 4: Simplify right side
    561,326,150.76x = 252,957,943,484,974,976
  5. Step 5: Solve for x
    x = 252,957,943,484,974,976/561,326,150.76
  6. Step 6: Final answer
    x = 450,643,432.78

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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.