Home / 304,693,168.23-420,605,300.45-205,708,000.92

Finding the Fourth Proportional to 304,693,168.23, 420,605,300.45 and 205,708,000.92

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Solution

The fourth proportional to 304,693,168.23, 420,605,300.45 and 205,708,000.92 is: 283,963,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,693,168.23 : 420,605,300.45 = 205,708,000.92 : x
  2. Step 2: Convert to fraction form
    304,693,168.23/420,605,300.45 = 205,708,000.92/x
  3. Step 3: Cross multiply
    304,693,168.23x = 420,605,300.45 × 205,708,000.92
  4. Step 4: Simplify right side
    304,693,168.23x = 86,521,875,530,896,928
  5. Step 5: Solve for x
    x = 86,521,875,530,896,928/304,693,168.23
  6. Step 6: Final answer
    x = 283,963,949.82

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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.