Home / 770,674,867.50-1,063,531,872-418,250,767.08

Finding the Fourth Proportional to 770,674,867.50, 1,063,531,872 and 418,250,767.08

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Solution

The fourth proportional to 770,674,867.50, 1,063,531,872 and 418,250,767.08 is: 577,186,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,674,867.50 : 1,063,531,872 = 418,250,767.08 : x
  2. Step 2: Convert to fraction form
    770,674,867.50/1,063,531,872 = 418,250,767.08/x
  3. Step 3: Cross multiply
    770,674,867.50x = 1,063,531,872 × 418,250,767.08
  4. Step 4: Simplify right side
    770,674,867.50x = 444,823,021,278,028,352
  5. Step 5: Solve for x
    x = 444,823,021,278,028,352/770,674,867.50
  6. Step 6: Final answer
    x = 577,186,359.69

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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.