Home / 1,226,180,406.61-1,694,342,401.61-873,143,488.74

Finding the Fourth Proportional to 1,226,180,406.61, 1,694,342,401.61 and 873,143,488.74

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Solution

The fourth proportional to 1,226,180,406.61, 1,694,342,401.61 and 873,143,488.74 is: 1,206,514,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,180,406.61 : 1,694,342,401.61 = 873,143,488.74 : x
  2. Step 2: Convert to fraction form
    1,226,180,406.61/1,694,342,401.61 = 873,143,488.74/x
  3. Step 3: Cross multiply
    1,226,180,406.61x = 1,694,342,401.61 × 873,143,488.74
  4. Step 4: Simplify right side
    1,226,180,406.61x = 1,479,404,035,668,830,464
  5. Step 5: Solve for x
    x = 1,479,404,035,668,830,464/1,226,180,406.61
  6. Step 6: Final answer
    x = 1,206,514,170.09

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Double scale
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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.