Home / 1,305,072,074.80-1,957,608,112.20-753,318,218.80

Finding the Fourth Proportional to 1,305,072,074.80, 1,957,608,112.20 and 753,318,218.80

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Solution

The fourth proportional to 1,305,072,074.80, 1,957,608,112.20 and 753,318,218.80 is: 1,129,977,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,072,074.80 : 1,957,608,112.20 = 753,318,218.80 : x
  2. Step 2: Convert to fraction form
    1,305,072,074.80/1,957,608,112.20 = 753,318,218.80/x
  3. Step 3: Cross multiply
    1,305,072,074.80x = 1,957,608,112.20 × 753,318,218.80
  4. Step 4: Simplify right side
    1,305,072,074.80x = 1,474,701,856,190,934,528
  5. Step 5: Solve for x
    x = 1,474,701,856,190,934,528/1,305,072,074.80
  6. Step 6: Final answer
    x = 1,129,977,328.20

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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.