Home / 770,883,282.50-1,063,820,279.34-418,459,511.97

Finding the Fourth Proportional to 770,883,282.50, 1,063,820,279.34 and 418,459,511.97

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Solution

The fourth proportional to 770,883,282.50, 1,063,820,279.34 and 418,459,511.97 is: 577,474,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,883,282.50 : 1,063,820,279.34 = 418,459,511.97 : x
  2. Step 2: Convert to fraction form
    770,883,282.50/1,063,820,279.34 = 418,459,511.97/x
  3. Step 3: Cross multiply
    770,883,282.50x = 1,063,820,279.34 × 418,459,511.97
  4. Step 4: Simplify right side
    770,883,282.50x = 445,165,714,916,405,504
  5. Step 5: Solve for x
    x = 445,165,714,916,405,504/770,883,282.50
  6. Step 6: Final answer
    x = 577,474,859.07

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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.