Home / 480,126,980.28-720,190,479.06-116,618,886.84

Finding the Fourth Proportional to 480,126,980.28, 720,190,479.06 and 116,618,886.84

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Solution

The fourth proportional to 480,126,980.28, 720,190,479.06 and 116,618,886.84 is: 174,928,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,126,980.28 : 720,190,479.06 = 116,618,886.84 : x
  2. Step 2: Convert to fraction form
    480,126,980.28/720,190,479.06 = 116,618,886.84/x
  3. Step 3: Cross multiply
    480,126,980.28x = 720,190,479.06 × 116,618,886.84
  4. Step 4: Simplify right side
    480,126,980.28x = 83,987,811,980,743,520
  5. Step 5: Solve for x
    x = 83,987,811,980,743,520/480,126,980.28
  6. Step 6: Final answer
    x = 174,928,332.36

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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.