Home / 1,105,676,557.66-1,524,823,105.24-864,304,421.42

Finding the Fourth Proportional to 1,105,676,557.66, 1,524,823,105.24 and 864,304,421.42

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Solution

The fourth proportional to 1,105,676,557.66, 1,524,823,105.24 and 864,304,421.42 is: 1,191,950,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,676,557.66 : 1,524,823,105.24 = 864,304,421.42 : x
  2. Step 2: Convert to fraction form
    1,105,676,557.66/1,524,823,105.24 = 864,304,421.42/x
  3. Step 3: Cross multiply
    1,105,676,557.66x = 1,524,823,105.24 × 864,304,421.42
  4. Step 4: Simplify right side
    1,105,676,557.66x = 1,317,911,351,742,305,792
  5. Step 5: Solve for x
    x = 1,317,911,351,742,305,792/1,105,676,557.66
  6. Step 6: Final answer
    x = 1,191,950,161.75

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Double scale
Find fourth proportional to 1,105,676,558.66, 1,524,823,106.62 and 864,304,422.42
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.