Home / 748,980,819.42-1,032,747,705.42-560,204,131.18

Finding the Fourth Proportional to 748,980,819.42, 1,032,747,705.42 and 560,204,131.18

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Solution

The fourth proportional to 748,980,819.42, 1,032,747,705.42 and 560,204,131.18 is: 772,449,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,980,819.42 : 1,032,747,705.42 = 560,204,131.18 : x
  2. Step 2: Convert to fraction form
    748,980,819.42/1,032,747,705.42 = 560,204,131.18/x
  3. Step 3: Cross multiply
    748,980,819.42x = 1,032,747,705.42 × 560,204,131.18
  4. Step 4: Simplify right side
    748,980,819.42x = 578,549,531,037,257,984
  5. Step 5: Solve for x
    x = 578,549,531,037,257,984/748,980,819.42
  6. Step 6: Final answer
    x = 772,449,061.49

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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.