Home / 478,220,583.60-659,924,015.10-266,516,149.14

Finding the Fourth Proportional to 478,220,583.60, 659,924,015.10 and 266,516,149.14

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Solution

The fourth proportional to 478,220,583.60, 659,924,015.10 and 266,516,149.14 is: 367,780,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,220,583.60 : 659,924,015.10 = 266,516,149.14 : x
  2. Step 2: Convert to fraction form
    478,220,583.60/659,924,015.10 = 266,516,149.14/x
  3. Step 3: Cross multiply
    478,220,583.60x = 659,924,015.10 × 266,516,149.14
  4. Step 4: Simplify right side
    478,220,583.60x = 175,880,407,229,459,200
  5. Step 5: Solve for x
    x = 175,880,407,229,459,200/478,220,583.60
  6. Step 6: Final answer
    x = 367,780,922.15

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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.