Home / 699,667,520.86-1,048,694,158.01-262,689,502.51

Finding the Fourth Proportional to 699,667,520.86, 1,048,694,158.01 and 262,689,502.51

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Solution

The fourth proportional to 699,667,520.86, 1,048,694,158.01 and 262,689,502.51 is: 393,731,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,667,520.86 : 1,048,694,158.01 = 262,689,502.51 : x
  2. Step 2: Convert to fraction form
    699,667,520.86/1,048,694,158.01 = 262,689,502.51/x
  3. Step 3: Cross multiply
    699,667,520.86x = 1,048,694,158.01 × 262,689,502.51
  4. Step 4: Simplify right side
    699,667,520.86x = 275,480,946,651,476,768
  5. Step 5: Solve for x
    x = 275,480,946,651,476,768/699,667,520.86
  6. Step 6: Final answer
    x = 393,731,220.10

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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.