Home / 1,226,180,400.69-1,694,342,393.45-873,143,482.82

Finding the Fourth Proportional to 1,226,180,400.69, 1,694,342,393.45 and 873,143,482.82

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Solution

The fourth proportional to 1,226,180,400.69, 1,694,342,393.45 and 873,143,482.82 is: 1,206,514,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,180,400.69 : 1,694,342,393.45 = 873,143,482.82 : x
  2. Step 2: Convert to fraction form
    1,226,180,400.69/1,694,342,393.45 = 873,143,482.82/x
  3. Step 3: Cross multiply
    1,226,180,400.69x = 1,694,342,393.45 × 873,143,482.82
  4. Step 4: Simplify right side
    1,226,180,400.69x = 1,479,404,018,509,006,080
  5. Step 5: Solve for x
    x = 1,479,404,018,509,006,080/1,226,180,400.69
  6. Step 6: Final answer
    x = 1,206,514,161.93

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Half scale
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Double scale
Find fourth proportional to 1,226,180,401.69, 1,694,342,394.83 and 873,143,483.82
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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.