Home / 863,930,750.84-1,192,223,665.86-487,666,537.64

Finding the Fourth Proportional to 863,930,750.84, 1,192,223,665.86 and 487,666,537.64

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Solution

The fourth proportional to 863,930,750.84, 1,192,223,665.86 and 487,666,537.64 is: 672,979,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,930,750.84 : 1,192,223,665.86 = 487,666,537.64 : x
  2. Step 2: Convert to fraction form
    863,930,750.84/1,192,223,665.86 = 487,666,537.64/x
  3. Step 3: Cross multiply
    863,930,750.84x = 1,192,223,665.86 × 487,666,537.64
  4. Step 4: Simplify right side
    863,930,750.84x = 581,407,587,216,453,248
  5. Step 5: Solve for x
    x = 581,407,587,216,453,248/863,930,750.84
  6. Step 6: Final answer
    x = 672,979,387.13

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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.