Home / 531,441,821.40-797,162,732.10-486,242,764.35

Finding the Fourth Proportional to 531,441,821.40, 797,162,732.10 and 486,242,764.35

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Solution

The fourth proportional to 531,441,821.40, 797,162,732.10 and 486,242,764.35 is: 729,364,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,821.40 : 797,162,732.10 = 486,242,764.35 : x
  2. Step 2: Convert to fraction form
    531,441,821.40/797,162,732.10 = 486,242,764.35/x
  3. Step 3: Cross multiply
    531,441,821.40x = 797,162,732.10 × 486,242,764.35
  4. Step 4: Simplify right side
    531,441,821.40x = 387,614,610,493,102,528
  5. Step 5: Solve for x
    x = 387,614,610,493,102,528/531,441,821.40
  6. Step 6: Final answer
    x = 729,364,146.53

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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.