Home / 516,220,350.51-774,481,625.72-166,459,384.25

Finding the Fourth Proportional to 516,220,350.51, 774,481,625.72 and 166,459,384.25

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Solution

The fourth proportional to 516,220,350.51, 774,481,625.72 and 166,459,384.25 is: 249,737,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,220,350.51 : 774,481,625.72 = 166,459,384.25 : x
  2. Step 2: Convert to fraction form
    516,220,350.51/774,481,625.72 = 166,459,384.25/x
  3. Step 3: Cross multiply
    516,220,350.51x = 774,481,625.72 × 166,459,384.25
  4. Step 4: Simplify right side
    516,220,350.51x = 128,919,734,531,282,528
  5. Step 5: Solve for x
    x = 128,919,734,531,282,528/516,220,350.51
  6. Step 6: Final answer
    x = 249,737,799.77

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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.