Home / 1,801,691,278.61-2,486,436,417.90-1,008,730,320.35

Finding the Fourth Proportional to 1,801,691,278.61, 2,486,436,417.90 and 1,008,730,320.35

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Solution

The fourth proportional to 1,801,691,278.61, 2,486,436,417.90 and 1,008,730,320.35 is: 1,392,105,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,691,278.61 : 2,486,436,417.90 = 1,008,730,320.35 : x
  2. Step 2: Convert to fraction form
    1,801,691,278.61/2,486,436,417.90 = 1,008,730,320.35/x
  3. Step 3: Cross multiply
    1,801,691,278.61x = 2,486,436,417.90 × 1,008,730,320.35
  4. Step 4: Simplify right side
    1,801,691,278.61x = 2,508,143,804,345,741,312
  5. Step 5: Solve for x
    x = 2,508,143,804,345,741,312/1,801,691,278.61
  6. Step 6: Final answer
    x = 1,392,105,203.67

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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.