Home / 558,840,539.80-838,260,809.70-555,014,164.60

Finding the Fourth Proportional to 558,840,539.80, 838,260,809.70 and 555,014,164.60

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Solution

The fourth proportional to 558,840,539.80, 838,260,809.70 and 555,014,164.60 is: 832,521,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,840,539.80 : 838,260,809.70 = 555,014,164.60 : x
  2. Step 2: Convert to fraction form
    558,840,539.80/838,260,809.70 = 555,014,164.60/x
  3. Step 3: Cross multiply
    558,840,539.80x = 838,260,809.70 × 555,014,164.60
  4. Step 4: Simplify right side
    558,840,539.80x = 465,246,623,012,565,120
  5. Step 5: Solve for x
    x = 465,246,623,012,565,120/558,840,539.80
  6. Step 6: Final answer
    x = 832,521,246.90

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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.