Home / 561,361,500.30-774,639,543.78-326,395,490.97

Finding the Fourth Proportional to 561,361,500.30, 774,639,543.78 and 326,395,490.97

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Solution

The fourth proportional to 561,361,500.30, 774,639,543.78 and 326,395,490.97 is: 450,402,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,361,500.30 : 774,639,543.78 = 326,395,490.97 : x
  2. Step 2: Convert to fraction form
    561,361,500.30/774,639,543.78 = 326,395,490.97/x
  3. Step 3: Cross multiply
    561,361,500.30x = 774,639,543.78 × 326,395,490.97
  4. Step 4: Simplify right side
    561,361,500.30x = 252,838,854,216,849,920
  5. Step 5: Solve for x
    x = 252,838,854,216,849,920/561,361,500.30
  6. Step 6: Final answer
    x = 450,402,911.64

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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.