Home / 840,565,915,634.34-1,159,982,082,206.40-455,190,926,103.60

Finding the Fourth Proportional to 840,565,915,634.34, 1,159,982,082,206.40 and 455,190,926,103.60

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Solution

The fourth proportional to 840,565,915,634.34, 1,159,982,082,206.40 and 455,190,926,103.60 is: 628,164,083,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,565,915,634.34 : 1,159,982,082,206.40 = 455,190,926,103.60 : x
  2. Step 2: Convert to fraction form
    840,565,915,634.34/1,159,982,082,206.40 = 455,190,926,103.60/x
  3. Step 3: Cross multiply
    840,565,915,634.34x = 1,159,982,082,206.40 × 455,190,926,103.60
  4. Step 4: Simplify right side
    840,565,915,634.34x = 528,013,318,263,113,376,595,968
  5. Step 5: Solve for x
    x = 528,013,318,263,113,376,595,968/840,565,915,634.34
  6. Step 6: Final answer
    x = 628,164,083,794.24

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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.