Home / 1,131,165,272.16-1,560,983,615.18-654,875,724.46

Finding the Fourth Proportional to 1,131,165,272.16, 1,560,983,615.18 and 654,875,724.46

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Solution

The fourth proportional to 1,131,165,272.16, 1,560,983,615.18 and 654,875,724.46 is: 903,714,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,165,272.16 : 1,560,983,615.18 = 654,875,724.46 : x
  2. Step 2: Convert to fraction form
    1,131,165,272.16/1,560,983,615.18 = 654,875,724.46/x
  3. Step 3: Cross multiply
    1,131,165,272.16x = 1,560,983,615.18 × 654,875,724.46
  4. Step 4: Simplify right side
    1,131,165,272.16x = 1,022,250,275,863,578,752
  5. Step 5: Solve for x
    x = 1,022,250,275,863,578,752/1,131,165,272.16
  6. Step 6: Final answer
    x = 903,714,338.68

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Double scale
Find fourth proportional to 1,131,165,273.16, 1,560,983,616.56 and 654,875,725.46
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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.