Home / 1,226,179,009.18-1,694,340,471.09-873,142,088.68

Finding the Fourth Proportional to 1,226,179,009.18, 1,694,340,471.09 and 873,142,088.68

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Solution

The fourth proportional to 1,226,179,009.18, 1,694,340,471.09 and 873,142,088.68 is: 1,206,512,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,179,009.18 : 1,694,340,471.09 = 873,142,088.68 : x
  2. Step 2: Convert to fraction form
    1,226,179,009.18/1,694,340,471.09 = 873,142,088.68/x
  3. Step 3: Cross multiply
    1,226,179,009.18x = 1,694,340,471.09 × 873,142,088.68
  4. Step 4: Simplify right side
    1,226,179,009.18x = 1,479,399,977,862,577,664
  5. Step 5: Solve for x
    x = 1,479,399,977,862,577,664/1,226,179,009.18
  6. Step 6: Final answer
    x = 1,206,512,235.80

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Half scale
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Double scale
Find fourth proportional to 1,226,179,010.18, 1,694,340,472.47 and 873,142,089.68
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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.