Home / 1,109,992,595,756.10-1,664,665,888,733.40-429,919,269,983.92

Finding the Fourth Proportional to 1,109,992,595,756.10, 1,664,665,888,733.40 and 429,919,269,983.92

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Solution

The fourth proportional to 1,109,992,595,756.10, 1,664,665,888,733.40 and 429,919,269,983.92 is: 644,753,799,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,992,595,756.10 : 1,664,665,888,733.40 = 429,919,269,983.92 : x
  2. Step 2: Convert to fraction form
    1,109,992,595,756.10/1,664,665,888,733.40 = 429,919,269,983.92/x
  3. Step 3: Cross multiply
    1,109,992,595,756.10x = 1,664,665,888,733.40 × 429,919,269,983.92
  4. Step 4: Simplify right side
    1,109,992,595,756.10x = 715,671,943,651,396,631,396,352
  5. Step 5: Solve for x
    x = 715,671,943,651,396,631,396,352/1,109,992,595,756.10
  6. Step 6: Final answer
    x = 644,753,799,608.82

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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.