Home / 766,620,733.28-1,057,936,611.92-436,626,577.76

Finding the Fourth Proportional to 766,620,733.28, 1,057,936,611.92 and 436,626,577.76

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Solution

The fourth proportional to 766,620,733.28, 1,057,936,611.92 and 436,626,577.76 is: 602,544,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,620,733.28 : 1,057,936,611.92 = 436,626,577.76 : x
  2. Step 2: Convert to fraction form
    766,620,733.28/1,057,936,611.92 = 436,626,577.76/x
  3. Step 3: Cross multiply
    766,620,733.28x = 1,057,936,611.92 × 436,626,577.76
  4. Step 4: Simplify right side
    766,620,733.28x = 461,923,242,349,638,784
  5. Step 5: Solve for x
    x = 461,923,242,349,638,784/766,620,733.28
  6. Step 6: Final answer
    x = 602,544,677.31

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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.