Home / 1,040,998,565.49-1,561,440,371.55-761,166,240.77

Finding the Fourth Proportional to 1,040,998,565.49, 1,561,440,371.55 and 761,166,240.77

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Solution

The fourth proportional to 1,040,998,565.49, 1,561,440,371.55 and 761,166,240.77 is: 1,141,707,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,998,565.49 : 1,561,440,371.55 = 761,166,240.77 : x
  2. Step 2: Convert to fraction form
    1,040,998,565.49/1,561,440,371.55 = 761,166,240.77/x
  3. Step 3: Cross multiply
    1,040,998,565.49x = 1,561,440,371.55 × 761,166,240.77
  4. Step 4: Simplify right side
    1,040,998,565.49x = 1,188,515,697,791,418,368
  5. Step 5: Solve for x
    x = 1,188,515,697,791,418,368/1,040,998,565.49
  6. Step 6: Final answer
    x = 1,141,707,334.85

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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.