Home / 1,018,667,218.40-1,528,000,827.60-814,593,874.40

Finding the Fourth Proportional to 1,018,667,218.40, 1,528,000,827.60 and 814,593,874.40

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Solution

The fourth proportional to 1,018,667,218.40, 1,528,000,827.60 and 814,593,874.40 is: 1,221,890,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,667,218.40 : 1,528,000,827.60 = 814,593,874.40 : x
  2. Step 2: Convert to fraction form
    1,018,667,218.40/1,528,000,827.60 = 814,593,874.40/x
  3. Step 3: Cross multiply
    1,018,667,218.40x = 1,528,000,827.60 × 814,593,874.40
  4. Step 4: Simplify right side
    1,018,667,218.40x = 1,244,700,114,241,090,304
  5. Step 5: Solve for x
    x = 1,244,700,114,241,090,304/1,018,667,218.40
  6. Step 6: Final answer
    x = 1,221,890,811.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.