Home / 598,644,494.11-820,129,256.65-576,262,487.34

Finding the Fourth Proportional to 598,644,494.11, 820,129,256.65 and 576,262,487.34

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Solution

The fourth proportional to 598,644,494.11, 820,129,256.65 and 576,262,487.34 is: 789,466,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,644,494.11 : 820,129,256.65 = 576,262,487.34 : x
  2. Step 2: Convert to fraction form
    598,644,494.11/820,129,256.65 = 576,262,487.34/x
  3. Step 3: Cross multiply
    598,644,494.11x = 820,129,256.65 × 576,262,487.34
  4. Step 4: Simplify right side
    598,644,494.11x = 472,609,725,374,774,272
  5. Step 5: Solve for x
    x = 472,609,725,374,774,272/598,644,494.11
  6. Step 6: Final answer
    x = 789,466,419.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.