Home / 1,178,079,723.28-1,625,754,945.54-649,432,105.48

Finding the Fourth Proportional to 1,178,079,723.28, 1,625,754,945.54 and 649,432,105.48

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Solution

The fourth proportional to 1,178,079,723.28, 1,625,754,945.54 and 649,432,105.48 is: 896,219,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,079,723.28 : 1,625,754,945.54 = 649,432,105.48 : x
  2. Step 2: Convert to fraction form
    1,178,079,723.28/1,625,754,945.54 = 649,432,105.48/x
  3. Step 3: Cross multiply
    1,178,079,723.28x = 1,625,754,945.54 × 649,432,105.48
  4. Step 4: Simplify right side
    1,178,079,723.28x = 1,055,817,457,276,564,992
  5. Step 5: Solve for x
    x = 1,055,817,457,276,564,992/1,178,079,723.28
  6. Step 6: Final answer
    x = 896,219,021.86

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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.