Home / 673,613,660.70-1,010,420,491.05-382,368,246.30

Finding the Fourth Proportional to 673,613,660.70, 1,010,420,491.05 and 382,368,246.30

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Solution

The fourth proportional to 673,613,660.70, 1,010,420,491.05 and 382,368,246.30 is: 573,552,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,613,660.70 : 1,010,420,491.05 = 382,368,246.30 : x
  2. Step 2: Convert to fraction form
    673,613,660.70/1,010,420,491.05 = 382,368,246.30/x
  3. Step 3: Cross multiply
    673,613,660.70x = 1,010,420,491.05 × 382,368,246.30
  4. Step 4: Simplify right side
    673,613,660.70x = 386,352,711,188,373,312
  5. Step 5: Solve for x
    x = 386,352,711,188,373,312/673,613,660.70
  6. Step 6: Final answer
    x = 573,552,369.45

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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.