Home / 793,151,998.20-1,189,727,997.30-548,263,985.40

Finding the Fourth Proportional to 793,151,998.20, 1,189,727,997.30 and 548,263,985.40

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Solution

The fourth proportional to 793,151,998.20, 1,189,727,997.30 and 548,263,985.40 is: 822,395,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,151,998.20 : 1,189,727,997.30 = 548,263,985.40 : x
  2. Step 2: Convert to fraction form
    793,151,998.20/1,189,727,997.30 = 548,263,985.40/x
  3. Step 3: Cross multiply
    793,151,998.20x = 1,189,727,997.30 × 548,263,985.40
  4. Step 4: Simplify right side
    793,151,998.20x = 652,285,013,341,658,368
  5. Step 5: Solve for x
    x = 652,285,013,341,658,368/793,151,998.20
  6. Step 6: Final answer
    x = 822,395,978.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.