Home / 516,179,031.35-774,269,287.56-394,050,767.00

Finding the Fourth Proportional to 516,179,031.35, 774,269,287.56 and 394,050,767.00

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Solution

The fourth proportional to 516,179,031.35, 774,269,287.56 and 394,050,767.00 is: 591,076,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,179,031.35 : 774,269,287.56 = 394,050,767.00 : x
  2. Step 2: Convert to fraction form
    516,179,031.35/774,269,287.56 = 394,050,767.00/x
  3. Step 3: Cross multiply
    516,179,031.35x = 774,269,287.56 × 394,050,767.00
  4. Step 4: Simplify right side
    516,179,031.35x = 305,101,406,623,690,176
  5. Step 5: Solve for x
    x = 305,101,406,623,690,176/516,179,031.35
  6. Step 6: Final answer
    x = 591,076,715.82

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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.