Home / 485,556,066.60-728,334,099.90-477,493,909.80

Finding the Fourth Proportional to 485,556,066.60, 728,334,099.90 and 477,493,909.80

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Solution

The fourth proportional to 485,556,066.60, 728,334,099.90 and 477,493,909.80 is: 716,240,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,556,066.60 : 728,334,099.90 = 477,493,909.80 : x
  2. Step 2: Convert to fraction form
    485,556,066.60/728,334,099.90 = 477,493,909.80/x
  3. Step 3: Cross multiply
    485,556,066.60x = 728,334,099.90 × 477,493,909.80
  4. Step 4: Simplify right side
    485,556,066.60x = 347,775,097,001,914,816
  5. Step 5: Solve for x
    x = 347,775,097,001,914,816/485,556,066.60
  6. Step 6: Final answer
    x = 716,240,864.70

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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.