Home / 905,819,134.40-1,356,713,162.40-744,575,998.40

Finding the Fourth Proportional to 905,819,134.40, 1,356,713,162.40 and 744,575,998.40

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Solution

The fourth proportional to 905,819,134.40, 1,356,713,162.40 and 744,575,998.40 is: 1,115,207,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,819,134.40 : 1,356,713,162.40 = 744,575,998.40 : x
  2. Step 2: Convert to fraction form
    905,819,134.40/1,356,713,162.40 = 744,575,998.40/x
  3. Step 3: Cross multiply
    905,819,134.40x = 1,356,713,162.40 × 744,575,998.40
  4. Step 4: Simplify right side
    905,819,134.40x = 1,010,176,057,436,401,408
  5. Step 5: Solve for x
    x = 1,010,176,057,436,401,408/905,819,134.40
  6. Step 6: Final answer
    x = 1,115,207,240.69

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Double scale
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1.5x scale

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.