Home / 860,936,250,155.80-1,188,128,119,719.30-495,130,739,082.53

Finding the Fourth Proportional to 860,936,250,155.80, 1,188,128,119,719.30 and 495,130,739,082.53

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Solution

The fourth proportional to 860,936,250,155.80, 1,188,128,119,719.30 and 495,130,739,082.53 is: 683,301,178,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,936,250,155.80 : 1,188,128,119,719.30 = 495,130,739,082.53 : x
  2. Step 2: Convert to fraction form
    860,936,250,155.80/1,188,128,119,719.30 = 495,130,739,082.53/x
  3. Step 3: Cross multiply
    860,936,250,155.80x = 1,188,128,119,719.30 × 495,130,739,082.53
  4. Step 4: Simplify right side
    860,936,250,155.80x = 588,278,754,041,353,778,233,344
  5. Step 5: Solve for x
    x = 588,278,754,041,353,778,233,344/860,936,250,155.80
  6. Step 6: Final answer
    x = 683,301,178,147.51

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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.