Home / 1,005,983,440.42-1,508,974,805.47-269,034,191.45

Finding the Fourth Proportional to 1,005,983,440.42, 1,508,974,805.47 and 269,034,191.45

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Solution

The fourth proportional to 1,005,983,440.42, 1,508,974,805.47 and 269,034,191.45 is: 403,551,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,983,440.42 : 1,508,974,805.47 = 269,034,191.45 : x
  2. Step 2: Convert to fraction form
    1,005,983,440.42/1,508,974,805.47 = 269,034,191.45/x
  3. Step 3: Cross multiply
    1,005,983,440.42x = 1,508,974,805.47 × 269,034,191.45
  4. Step 4: Simplify right side
    1,005,983,440.42x = 405,965,816,708,042,496
  5. Step 5: Solve for x
    x = 405,965,816,708,042,496/1,005,983,440.42
  6. Step 6: Final answer
    x = 403,551,192.19

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Double scale
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1.5x scale

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.