Home / 539,466,712.88-744,464,052.60-291,948,113.84

Finding the Fourth Proportional to 539,466,712.88, 744,464,052.60 and 291,948,113.84

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Solution

The fourth proportional to 539,466,712.88, 744,464,052.60 and 291,948,113.84 is: 402,888,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,466,712.88 : 744,464,052.60 = 291,948,113.84 : x
  2. Step 2: Convert to fraction form
    539,466,712.88/744,464,052.60 = 291,948,113.84/x
  3. Step 3: Cross multiply
    539,466,712.88x = 744,464,052.60 × 291,948,113.84
  4. Step 4: Simplify right side
    539,466,712.88x = 217,344,875,978,252,544
  5. Step 5: Solve for x
    x = 217,344,875,978,252,544/539,466,712.88
  6. Step 6: Final answer
    x = 402,888,391.05

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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.