Home / 608,983,501.76-840,398,020.32-330,524,995.52

Finding the Fourth Proportional to 608,983,501.76, 840,398,020.32 and 330,524,995.52

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Solution

The fourth proportional to 608,983,501.76, 840,398,020.32 and 330,524,995.52 is: 456,124,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,983,501.76 : 840,398,020.32 = 330,524,995.52 : x
  2. Step 2: Convert to fraction form
    608,983,501.76/840,398,020.32 = 330,524,995.52/x
  3. Step 3: Cross multiply
    608,983,501.76x = 840,398,020.32 × 330,524,995.52
  4. Step 4: Simplify right side
    608,983,501.76x = 277,772,551,901,284,864
  5. Step 5: Solve for x
    x = 277,772,551,901,284,864/608,983,501.76
  6. Step 6: Final answer
    x = 456,124,921.44

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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.