Home / 840,565,915,707.15-1,159,982,082,306.90-455,190,926,176.44

Finding the Fourth Proportional to 840,565,915,707.15, 1,159,982,082,306.90 and 455,190,926,176.44

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Solution

The fourth proportional to 840,565,915,707.15, 1,159,982,082,306.90 and 455,190,926,176.44 is: 628,164,083,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,565,915,707.15 : 1,159,982,082,306.90 = 455,190,926,176.44 : x
  2. Step 2: Convert to fraction form
    840,565,915,707.15/1,159,982,082,306.90 = 455,190,926,176.44/x
  3. Step 3: Cross multiply
    840,565,915,707.15x = 1,159,982,082,306.90 × 455,190,926,176.44
  4. Step 4: Simplify right side
    840,565,915,707.15x = 528,013,318,393,353,226,682,368
  5. Step 5: Solve for x
    x = 528,013,318,393,353,226,682,368/840,565,915,707.15
  6. Step 6: Final answer
    x = 628,164,083,894.77

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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.