Home / 522,663,563.85-784,113,459.96-172,908,805.83

Finding the Fourth Proportional to 522,663,563.85, 784,113,459.96 and 172,908,805.83

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Solution

The fourth proportional to 522,663,563.85, 784,113,459.96 and 172,908,805.83 is: 259,402,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,663,563.85 : 784,113,459.96 = 172,908,805.83 : x
  2. Step 2: Convert to fraction form
    522,663,563.85/784,113,459.96 = 172,908,805.83/x
  3. Step 3: Cross multiply
    522,663,563.85x = 784,113,459.96 × 172,908,805.83
  4. Step 4: Simplify right side
    522,663,563.85x = 135,580,121,996,913,136
  5. Step 5: Solve for x
    x = 135,580,121,996,913,136/522,663,563.85
  6. Step 6: Final answer
    x = 259,402,283.56

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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.