Home / 1,131,165,276.41-1,560,983,621.04-654,875,728.72

Finding the Fourth Proportional to 1,131,165,276.41, 1,560,983,621.04 and 654,875,728.72

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Solution

The fourth proportional to 1,131,165,276.41, 1,560,983,621.04 and 654,875,728.72 is: 903,714,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,165,276.41 : 1,560,983,621.04 = 654,875,728.72 : x
  2. Step 2: Convert to fraction form
    1,131,165,276.41/1,560,983,621.04 = 654,875,728.72/x
  3. Step 3: Cross multiply
    1,131,165,276.41x = 1,560,983,621.04 × 654,875,728.72
  4. Step 4: Simplify right side
    1,131,165,276.41x = 1,022,250,286,348,554,368
  5. Step 5: Solve for x
    x = 1,022,250,286,348,554,368/1,131,165,276.41
  6. Step 6: Final answer
    x = 903,714,344.55

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Half scale
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Double scale
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Similar ratio
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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.