Home / 490,617,810.06-677,060,560.26-267,599,435.22

Finding the Fourth Proportional to 490,617,810.06, 677,060,560.26 and 267,599,435.22

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Solution

The fourth proportional to 490,617,810.06, 677,060,560.26 and 267,599,435.22 is: 369,291,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,617,810.06 : 677,060,560.26 = 267,599,435.22 : x
  2. Step 2: Convert to fraction form
    490,617,810.06/677,060,560.26 = 267,599,435.22/x
  3. Step 3: Cross multiply
    490,617,810.06x = 677,060,560.26 × 267,599,435.22
  4. Step 4: Simplify right side
    490,617,810.06x = 181,181,023,535,312,768
  5. Step 5: Solve for x
    x = 181,181,023,535,312,768/490,617,810.06
  6. Step 6: Final answer
    x = 369,291,574.46

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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.