Home / 1,109,992,595,756.90-1,664,665,888,734.50-429,919,269,984.68

Finding the Fourth Proportional to 1,109,992,595,756.90, 1,664,665,888,734.50 and 429,919,269,984.68

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Solution

The fourth proportional to 1,109,992,595,756.90, 1,664,665,888,734.50 and 429,919,269,984.68 is: 644,753,799,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,992,595,756.90 : 1,664,665,888,734.50 = 429,919,269,984.68 : x
  2. Step 2: Convert to fraction form
    1,109,992,595,756.90/1,664,665,888,734.50 = 429,919,269,984.68/x
  3. Step 3: Cross multiply
    1,109,992,595,756.90x = 1,664,665,888,734.50 × 429,919,269,984.68
  4. Step 4: Simplify right side
    1,109,992,595,756.90x = 715,671,943,653,134,750,973,952
  5. Step 5: Solve for x
    x = 715,671,943,653,134,750,973,952/1,109,992,595,756.90
  6. Step 6: Final answer
    x = 644,753,799,609.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.