Home / 847,968,188.60-1,170,115,478.70-495,626,742.20

Finding the Fourth Proportional to 847,968,188.60, 1,170,115,478.70 and 495,626,742.20

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Solution

The fourth proportional to 847,968,188.60, 1,170,115,478.70 and 495,626,742.20 is: 683,917,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,968,188.60 : 1,170,115,478.70 = 495,626,742.20 : x
  2. Step 2: Convert to fraction form
    847,968,188.60/1,170,115,478.70 = 495,626,742.20/x
  3. Step 3: Cross multiply
    847,968,188.60x = 1,170,115,478.70 × 495,626,742.20
  4. Step 4: Simplify right side
    847,968,188.60x = 579,940,522,705,874,560
  5. Step 5: Solve for x
    x = 579,940,522,705,874,560/847,968,188.60
  6. Step 6: Final answer
    x = 683,917,781.94

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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.