Home / 840,565,915,683.55-1,159,982,082,274.40-455,190,926,152.85

Finding the Fourth Proportional to 840,565,915,683.55, 1,159,982,082,274.40 and 455,190,926,152.85

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Solution

The fourth proportional to 840,565,915,683.55, 1,159,982,082,274.40 and 455,190,926,152.85 is: 628,164,083,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,565,915,683.55 : 1,159,982,082,274.40 = 455,190,926,152.85 : x
  2. Step 2: Convert to fraction form
    840,565,915,683.55/1,159,982,082,274.40 = 455,190,926,152.85/x
  3. Step 3: Cross multiply
    840,565,915,683.55x = 1,159,982,082,274.40 × 455,190,926,152.85
  4. Step 4: Simplify right side
    840,565,915,683.55x = 528,013,318,351,195,505,426,432
  5. Step 5: Solve for x
    x = 528,013,318,351,195,505,426,432/840,565,915,683.55
  6. Step 6: Final answer
    x = 628,164,083,862.26

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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.