Home / 1,073,808,957.72-1,609,668,812.07-513,425,161.91

Finding the Fourth Proportional to 1,073,808,957.72, 1,609,668,812.07 and 513,425,161.91

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Solution

The fourth proportional to 1,073,808,957.72, 1,609,668,812.07 and 513,425,161.91 is: 769,638,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,808,957.72 : 1,609,668,812.07 = 513,425,161.91 : x
  2. Step 2: Convert to fraction form
    1,073,808,957.72/1,609,668,812.07 = 513,425,161.91/x
  3. Step 3: Cross multiply
    1,073,808,957.72x = 1,609,668,812.07 × 513,425,161.91
  4. Step 4: Simplify right side
    1,073,808,957.72x = 826,444,470,450,468,736
  5. Step 5: Solve for x
    x = 826,444,470,450,468,736/1,073,808,957.72
  6. Step 6: Final answer
    x = 769,638,271.79

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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.