Home / 531,477,029.40-797,215,544.10-312,903,000.60

Finding the Fourth Proportional to 531,477,029.40, 797,215,544.10 and 312,903,000.60

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Solution

The fourth proportional to 531,477,029.40, 797,215,544.10 and 312,903,000.60 is: 469,354,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,477,029.40 : 797,215,544.10 = 312,903,000.60 : x
  2. Step 2: Convert to fraction form
    531,477,029.40/797,215,544.10 = 312,903,000.60/x
  3. Step 3: Cross multiply
    531,477,029.40x = 797,215,544.10 × 312,903,000.60
  4. Step 4: Simplify right side
    531,477,029.40x = 249,451,135,873,851,648
  5. Step 5: Solve for x
    x = 249,451,135,873,851,648/531,477,029.40
  6. Step 6: Final answer
    x = 469,354,500.90

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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.