Home / 1,520,422,245-2,098,182,698.10-825,061,221

Finding the Fourth Proportional to 1,520,422,245, 2,098,182,698.10 and 825,061,221

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Solution

The fourth proportional to 1,520,422,245, 2,098,182,698.10 and 825,061,221 is: 1,138,584,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,422,245 : 2,098,182,698.10 = 825,061,221 : x
  2. Step 2: Convert to fraction form
    1,520,422,245/2,098,182,698.10 = 825,061,221/x
  3. Step 3: Cross multiply
    1,520,422,245x = 2,098,182,698.10 × 825,061,221
  4. Step 4: Simplify right side
    1,520,422,245x = 1,731,129,178,775,460,352
  5. Step 5: Solve for x
    x = 1,731,129,178,775,460,352/1,520,422,245
  6. Step 6: Final answer
    x = 1,138,584,484.98

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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.