Home / 531,441,930.80-797,162,896.20-402,301,767.80

Finding the Fourth Proportional to 531,441,930.80, 797,162,896.20 and 402,301,767.80

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Solution

The fourth proportional to 531,441,930.80, 797,162,896.20 and 402,301,767.80 is: 603,452,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,930.80 : 797,162,896.20 = 402,301,767.80 : x
  2. Step 2: Convert to fraction form
    531,441,930.80/797,162,896.20 = 402,301,767.80/x
  3. Step 3: Cross multiply
    531,441,930.80x = 797,162,896.20 × 402,301,767.80
  4. Step 4: Simplify right side
    531,441,930.80x = 320,700,042,365,827,904
  5. Step 5: Solve for x
    x = 320,700,042,365,827,904/531,441,930.80
  6. Step 6: Final answer
    x = 603,452,651.70

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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.