Home / 1,003,211,334.99-1,384,434,849.67-557,174,617.45

Finding the Fourth Proportional to 1,003,211,334.99, 1,384,434,849.67 and 557,174,617.45

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Solution

The fourth proportional to 1,003,211,334.99, 1,384,434,849.67 and 557,174,617.45 is: 768,902,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,211,334.99 : 1,384,434,849.67 = 557,174,617.45 : x
  2. Step 2: Convert to fraction form
    1,003,211,334.99/1,384,434,849.67 = 557,174,617.45/x
  3. Step 3: Cross multiply
    1,003,211,334.99x = 1,384,434,849.67 × 557,174,617.45
  4. Step 4: Simplify right side
    1,003,211,334.99x = 771,371,957,744,476,544
  5. Step 5: Solve for x
    x = 771,371,957,744,476,544/1,003,211,334.99
  6. Step 6: Final answer
    x = 768,902,753.43

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Double scale
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1.5x scale

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.