Home / 840,565,915,629.34-1,159,982,082,199.50-455,190,926,098.60

Finding the Fourth Proportional to 840,565,915,629.34, 1,159,982,082,199.50 and 455,190,926,098.60

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Solution

The fourth proportional to 840,565,915,629.34, 1,159,982,082,199.50 and 455,190,926,098.60 is: 628,164,083,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,565,915,629.34 : 1,159,982,082,199.50 = 455,190,926,098.60 : x
  2. Step 2: Convert to fraction form
    840,565,915,629.34/1,159,982,082,199.50 = 455,190,926,098.60/x
  3. Step 3: Cross multiply
    840,565,915,629.34x = 1,159,982,082,199.50 × 455,190,926,098.60
  4. Step 4: Simplify right side
    840,565,915,629.34x = 528,013,318,254,172,731,080,704
  5. Step 5: Solve for x
    x = 528,013,318,254,172,731,080,704/840,565,915,629.34
  6. Step 6: Final answer
    x = 628,164,083,787.34

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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.