Home / 828,462,134.51-1,143,301,960.86-452,142,874.25

Finding the Fourth Proportional to 828,462,134.51, 1,143,301,960.86 and 452,142,874.25

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Solution

The fourth proportional to 828,462,134.51, 1,143,301,960.86 and 452,142,874.25 is: 623,970,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,462,134.51 : 1,143,301,960.86 = 452,142,874.25 : x
  2. Step 2: Convert to fraction form
    828,462,134.51/1,143,301,960.86 = 452,142,874.25/x
  3. Step 3: Cross multiply
    828,462,134.51x = 1,143,301,960.86 × 452,142,874.25
  4. Step 4: Simplify right side
    828,462,134.51x = 516,935,834,718,901,376
  5. Step 5: Solve for x
    x = 516,935,834,718,901,376/828,462,134.51
  6. Step 6: Final answer
    x = 623,970,382.21

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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.