Home / 558,889,507.80-838,334,261.70-555,063,132.60

Finding the Fourth Proportional to 558,889,507.80, 838,334,261.70 and 555,063,132.60

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Solution

The fourth proportional to 558,889,507.80, 838,334,261.70 and 555,063,132.60 is: 832,594,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,889,507.80 : 838,334,261.70 = 555,063,132.60 : x
  2. Step 2: Convert to fraction form
    558,889,507.80/838,334,261.70 = 555,063,132.60/x
  3. Step 3: Cross multiply
    558,889,507.80x = 838,334,261.70 × 555,063,132.60
  4. Step 4: Simplify right side
    558,889,507.80x = 465,328,441,465,110,272
  5. Step 5: Solve for x
    x = 465,328,441,465,110,272/558,889,507.80
  6. Step 6: Final answer
    x = 832,594,698.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.