Home / 561,160,309.66-774,428,218.44-310,260,058.90

Finding the Fourth Proportional to 561,160,309.66, 774,428,218.44 and 310,260,058.90

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Solution

The fourth proportional to 561,160,309.66, 774,428,218.44 and 310,260,058.90 is: 428,173,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,160,309.66 : 774,428,218.44 = 310,260,058.90 : x
  2. Step 2: Convert to fraction form
    561,160,309.66/774,428,218.44 = 310,260,058.90/x
  3. Step 3: Cross multiply
    561,160,309.66x = 774,428,218.44 × 310,260,058.90
  4. Step 4: Simplify right side
    561,160,309.66x = 240,274,144,667,016,480
  5. Step 5: Solve for x
    x = 240,274,144,667,016,480/561,160,309.66
  6. Step 6: Final answer
    x = 428,173,804.40

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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.