Home / 699,667,519.86-1,048,694,156.51-262,689,501.51

Finding the Fourth Proportional to 699,667,519.86, 1,048,694,156.51 and 262,689,501.51

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Solution

The fourth proportional to 699,667,519.86, 1,048,694,156.51 and 262,689,501.51 is: 393,731,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,667,519.86 : 1,048,694,156.51 = 262,689,501.51 : x
  2. Step 2: Convert to fraction form
    699,667,519.86/1,048,694,156.51 = 262,689,501.51/x
  3. Step 3: Cross multiply
    699,667,519.86x = 1,048,694,156.51 × 262,689,501.51
  4. Step 4: Simplify right side
    699,667,519.86x = 275,480,945,208,748,352
  5. Step 5: Solve for x
    x = 275,480,945,208,748,352/699,667,519.86
  6. Step 6: Final answer
    x = 393,731,218.60

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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.