Home / 516,373,218.21-774,711,794.04-166,612,724.81

Finding the Fourth Proportional to 516,373,218.21, 774,711,794.04 and 166,612,724.81

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Solution

The fourth proportional to 516,373,218.21, 774,711,794.04 and 166,612,724.81 is: 249,968,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,373,218.21 : 774,711,794.04 = 166,612,724.81 : x
  2. Step 2: Convert to fraction form
    516,373,218.21/774,711,794.04 = 166,612,724.81/x
  3. Step 3: Cross multiply
    516,373,218.21x = 774,711,794.04 × 166,612,724.81
  4. Step 4: Simplify right side
    516,373,218.21x = 129,076,842,943,574,352
  5. Step 5: Solve for x
    x = 129,076,842,943,574,352/516,373,218.21
  6. Step 6: Final answer
    x = 249,968,120.72

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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.