Home / 1,073,808,960.94-1,609,668,816.87-513,425,165.11

Finding the Fourth Proportional to 1,073,808,960.94, 1,609,668,816.87 and 513,425,165.11

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Solution

The fourth proportional to 1,073,808,960.94, 1,609,668,816.87 and 513,425,165.11 is: 769,638,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,808,960.94 : 1,609,668,816.87 = 513,425,165.11 : x
  2. Step 2: Convert to fraction form
    1,073,808,960.94/1,609,668,816.87 = 513,425,165.11/x
  3. Step 3: Cross multiply
    1,073,808,960.94x = 1,609,668,816.87 × 513,425,165.11
  4. Step 4: Simplify right side
    1,073,808,960.94x = 826,444,478,073,898,112
  5. Step 5: Solve for x
    x = 826,444,478,073,898,112/1,073,808,960.94
  6. Step 6: Final answer
    x = 769,638,276.58

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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.