Home / 477,564,902.40-715,993,459.20-323,827,276.80

Finding the Fourth Proportional to 477,564,902.40, 715,993,459.20 and 323,827,276.80

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Solution

The fourth proportional to 477,564,902.40, 715,993,459.20 and 323,827,276.80 is: 485,500,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,564,902.40 : 715,993,459.20 = 323,827,276.80 : x
  2. Step 2: Convert to fraction form
    477,564,902.40/715,993,459.20 = 323,827,276.80/x
  3. Step 3: Cross multiply
    477,564,902.40x = 715,993,459.20 × 323,827,276.80
  4. Step 4: Simplify right side
    477,564,902.40x = 231,858,212,099,347,936
  5. Step 5: Solve for x
    x = 231,858,212,099,347,936/477,564,902.40
  6. Step 6: Final answer
    x = 485,500,946.44

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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.