Home / 516,452,479.40-774,725,240.86-166,706,839.82

Finding the Fourth Proportional to 516,452,479.40, 774,725,240.86 and 166,706,839.82

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Solution

The fourth proportional to 516,452,479.40, 774,725,240.86 and 166,706,839.82 is: 250,075,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,452,479.40 : 774,725,240.86 = 166,706,839.82 : x
  2. Step 2: Convert to fraction form
    516,452,479.40/774,725,240.86 = 166,706,839.82/x
  3. Step 3: Cross multiply
    516,452,479.40x = 774,725,240.86 × 166,706,839.82
  4. Step 4: Simplify right side
    516,452,479.40x = 129,151,996,632,558,928
  5. Step 5: Solve for x
    x = 129,151,996,632,558,928/516,452,479.40
  6. Step 6: Final answer
    x = 250,075,276.59

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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.