Home / 1,980,193,943-2,729,937,086.10-1,579,667,115.35

Finding the Fourth Proportional to 1,980,193,943, 2,729,937,086.10 and 1,579,667,115.35

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Solution

The fourth proportional to 1,980,193,943, 2,729,937,086.10 and 1,579,667,115.35 is: 2,177,762,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,193,943 : 2,729,937,086.10 = 1,579,667,115.35 : x
  2. Step 2: Convert to fraction form
    1,980,193,943/2,729,937,086.10 = 1,579,667,115.35/x
  3. Step 3: Cross multiply
    1,980,193,943x = 2,729,937,086.10 × 1,579,667,115.35
  4. Step 4: Simplify right side
    1,980,193,943x = 4,312,391,841,886,571,008
  5. Step 5: Solve for x
    x = 4,312,391,841,886,571,008/1,980,193,943
  6. Step 6: Final answer
    x = 2,177,762,363.70

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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.