Home / 1,041,857,918.15-1,561,598,109.89-419,675,027.90

Finding the Fourth Proportional to 1,041,857,918.15, 1,561,598,109.89 and 419,675,027.90

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Solution

The fourth proportional to 1,041,857,918.15, 1,561,598,109.89 and 419,675,027.90 is: 629,033,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,857,918.15 : 1,561,598,109.89 = 419,675,027.90 : x
  2. Step 2: Convert to fraction form
    1,041,857,918.15/1,561,598,109.89 = 419,675,027.90/x
  3. Step 3: Cross multiply
    1,041,857,918.15x = 1,561,598,109.89 × 419,675,027.90
  4. Step 4: Simplify right side
    1,041,857,918.15x = 655,363,730,334,574,592
  5. Step 5: Solve for x
    x = 655,363,730,334,574,592/1,041,857,918.15
  6. Step 6: Final answer
    x = 629,033,689.64

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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.