Home / 310,478,723.30-465,718,084.95-264,314,215.10

Finding the Fourth Proportional to 310,478,723.30, 465,718,084.95 and 264,314,215.10

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Solution

The fourth proportional to 310,478,723.30, 465,718,084.95 and 264,314,215.10 is: 396,471,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,478,723.30 : 465,718,084.95 = 264,314,215.10 : x
  2. Step 2: Convert to fraction form
    310,478,723.30/465,718,084.95 = 264,314,215.10/x
  3. Step 3: Cross multiply
    310,478,723.30x = 465,718,084.95 × 264,314,215.10
  4. Step 4: Simplify right side
    310,478,723.30x = 123,095,910,081,434,368
  5. Step 5: Solve for x
    x = 123,095,910,081,434,368/310,478,723.30
  6. Step 6: Final answer
    x = 396,471,322.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.