Home / 1,041,857,917.65-1,561,598,109.14-419,675,027.40

Finding the Fourth Proportional to 1,041,857,917.65, 1,561,598,109.14 and 419,675,027.40

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Solution

The fourth proportional to 1,041,857,917.65, 1,561,598,109.14 and 419,675,027.40 is: 629,033,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,857,917.65 : 1,561,598,109.14 = 419,675,027.40 : x
  2. Step 2: Convert to fraction form
    1,041,857,917.65/1,561,598,109.14 = 419,675,027.40/x
  3. Step 3: Cross multiply
    1,041,857,917.65x = 1,561,598,109.14 × 419,675,027.40
  4. Step 4: Simplify right side
    1,041,857,917.65x = 655,363,729,239,019,264
  5. Step 5: Solve for x
    x = 655,363,729,239,019,264/1,041,857,917.65
  6. Step 6: Final answer
    x = 629,033,688.89

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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.