Home / 1,259,986,318.63-1,738,521,531.19-724,034,463.46

Finding the Fourth Proportional to 1,259,986,318.63, 1,738,521,531.19 and 724,034,463.46

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Solution

The fourth proportional to 1,259,986,318.63, 1,738,521,531.19 and 724,034,463.46 is: 999,018,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,986,318.63 : 1,738,521,531.19 = 724,034,463.46 : x
  2. Step 2: Convert to fraction form
    1,259,986,318.63/1,738,521,531.19 = 724,034,463.46/x
  3. Step 3: Cross multiply
    1,259,986,318.63x = 1,738,521,531.19 × 724,034,463.46
  4. Step 4: Simplify right side
    1,259,986,318.63x = 1,258,749,504,048,809,472
  5. Step 5: Solve for x
    x = 1,258,749,504,048,809,472/1,259,986,318.63
  6. Step 6: Final answer
    x = 999,018,390.47

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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.