Home / 1,104,758,487.45-1,657,356,034.13-405,257,119.80

Finding the Fourth Proportional to 1,104,758,487.45, 1,657,356,034.13 and 405,257,119.80

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Solution

The fourth proportional to 1,104,758,487.45, 1,657,356,034.13 and 405,257,119.80 is: 607,965,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,758,487.45 : 1,657,356,034.13 = 405,257,119.80 : x
  2. Step 2: Convert to fraction form
    1,104,758,487.45/1,657,356,034.13 = 405,257,119.80/x
  3. Step 3: Cross multiply
    1,104,758,487.45x = 1,657,356,034.13 × 405,257,119.80
  4. Step 4: Simplify right side
    1,104,758,487.45x = 671,655,332,872,648,064
  5. Step 5: Solve for x
    x = 671,655,332,872,648,064/1,104,758,487.45
  6. Step 6: Final answer
    x = 607,965,759.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.