Home / 841,324,560.16-1,261,985,147.90-790,127,314.80

Finding the Fourth Proportional to 841,324,560.16, 1,261,985,147.90 and 790,127,314.80

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Solution

The fourth proportional to 841,324,560.16, 1,261,985,147.90 and 790,127,314.80 is: 1,185,189,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,324,560.16 : 1,261,985,147.90 = 790,127,314.80 : x
  2. Step 2: Convert to fraction form
    841,324,560.16/1,261,985,147.90 = 790,127,314.80/x
  3. Step 3: Cross multiply
    841,324,560.16x = 1,261,985,147.90 × 790,127,314.80
  4. Step 4: Simplify right side
    841,324,560.16x = 997,128,936,223,757,184
  5. Step 5: Solve for x
    x = 997,128,936,223,757,184/841,324,560.16
  6. Step 6: Final answer
    x = 1,185,189,382.84

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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.