Home / 362,423,275.66-500,130,041.39-221,530,398.80

Finding the Fourth Proportional to 362,423,275.66, 500,130,041.39 and 221,530,398.80

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Solution

The fourth proportional to 362,423,275.66, 500,130,041.39 and 221,530,398.80 is: 305,703,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,423,275.66 : 500,130,041.39 = 221,530,398.80 : x
  2. Step 2: Convert to fraction form
    362,423,275.66/500,130,041.39 = 221,530,398.80/x
  3. Step 3: Cross multiply
    362,423,275.66x = 500,130,041.39 × 221,530,398.80
  4. Step 4: Simplify right side
    362,423,275.66x = 110,794,007,518,209,648
  5. Step 5: Solve for x
    x = 110,794,007,518,209,648/362,423,275.66
  6. Step 6: Final answer
    x = 305,703,344.57

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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.