Home / 850,747,485.72-1,174,115,224.77-516,193,750.95

Finding the Fourth Proportional to 850,747,485.72, 1,174,115,224.77 and 516,193,750.95

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Solution

The fourth proportional to 850,747,485.72, 1,174,115,224.77 and 516,193,750.95 is: 712,398,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,747,485.72 : 1,174,115,224.77 = 516,193,750.95 : x
  2. Step 2: Convert to fraction form
    850,747,485.72/1,174,115,224.77 = 516,193,750.95/x
  3. Step 3: Cross multiply
    850,747,485.72x = 1,174,115,224.77 × 516,193,750.95
  4. Step 4: Simplify right side
    850,747,485.72x = 606,070,941,921,528,576
  5. Step 5: Solve for x
    x = 606,070,941,921,528,576/850,747,485.72
  6. Step 6: Final answer
    x = 712,398,158.20

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1.5x scale

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.