Home / 840,565,915,687.05-1,159,982,082,279.10-455,190,926,156.32

Finding the Fourth Proportional to 840,565,915,687.05, 1,159,982,082,279.10 and 455,190,926,156.32

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Solution

The fourth proportional to 840,565,915,687.05, 1,159,982,082,279.10 and 455,190,926,156.32 is: 628,164,083,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,565,915,687.05 : 1,159,982,082,279.10 = 455,190,926,156.32 : x
  2. Step 2: Convert to fraction form
    840,565,915,687.05/1,159,982,082,279.10 = 455,190,926,156.32/x
  3. Step 3: Cross multiply
    840,565,915,687.05x = 1,159,982,082,279.10 × 455,190,926,156.32
  4. Step 4: Simplify right side
    840,565,915,687.05x = 528,013,318,357,360,192,782,336
  5. Step 5: Solve for x
    x = 528,013,318,357,360,192,782,336/840,565,915,687.05
  6. Step 6: Final answer
    x = 628,164,083,866.97

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Double scale
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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.