Home / 1,861,908,562.23-2,571,886,480.55-1,380,077,292.17

Finding the Fourth Proportional to 1,861,908,562.23, 2,571,886,480.55 and 1,380,077,292.17

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Solution

The fourth proportional to 1,861,908,562.23, 2,571,886,480.55 and 1,380,077,292.17 is: 1,906,324,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,908,562.23 : 2,571,886,480.55 = 1,380,077,292.17 : x
  2. Step 2: Convert to fraction form
    1,861,908,562.23/2,571,886,480.55 = 1,380,077,292.17/x
  3. Step 3: Cross multiply
    1,861,908,562.23x = 2,571,886,480.55 × 1,380,077,292.17
  4. Step 4: Simplify right side
    1,861,908,562.23x = 3,549,402,129,826,315,776
  5. Step 5: Solve for x
    x = 3,549,402,129,826,315,776/1,861,908,562.23
  6. Step 6: Final answer
    x = 1,906,324,618.63

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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.