Home / 519,562,293.55-716,996,099.78-284,621,306.20

Finding the Fourth Proportional to 519,562,293.55, 716,996,099.78 and 284,621,306.20

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Solution

The fourth proportional to 519,562,293.55, 716,996,099.78 and 284,621,306.20 is: 392,777,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,562,293.55 : 716,996,099.78 = 284,621,306.20 : x
  2. Step 2: Convert to fraction form
    519,562,293.55/716,996,099.78 = 284,621,306.20/x
  3. Step 3: Cross multiply
    519,562,293.55x = 716,996,099.78 × 284,621,306.20
  4. Step 4: Simplify right side
    519,562,293.55x = 204,072,366,459,689,120
  5. Step 5: Solve for x
    x = 204,072,366,459,689,120/519,562,293.55
  6. Step 6: Final answer
    x = 392,777,476.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.