Home / 561,361,531.80-774,639,587.16-326,395,522.56

Finding the Fourth Proportional to 561,361,531.80, 774,639,587.16 and 326,395,522.56

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Solution

The fourth proportional to 561,361,531.80, 774,639,587.16 and 326,395,522.56 is: 450,402,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,361,531.80 : 774,639,587.16 = 326,395,522.56 : x
  2. Step 2: Convert to fraction form
    561,361,531.80/774,639,587.16 = 326,395,522.56/x
  3. Step 3: Cross multiply
    561,361,531.80x = 774,639,587.16 × 326,395,522.56
  4. Step 4: Simplify right side
    561,361,531.80x = 252,838,892,846,750,848
  5. Step 5: Solve for x
    x = 252,838,892,846,750,848/561,361,531.80
  6. Step 6: Final answer
    x = 450,402,955.18

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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.