Home / 2,208,384,601.20-3,312,576,901.80-655,915,532.40

Finding the Fourth Proportional to 2,208,384,601.20, 3,312,576,901.80 and 655,915,532.40

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Solution

The fourth proportional to 2,208,384,601.20, 3,312,576,901.80 and 655,915,532.40 is: 983,873,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,384,601.20 : 3,312,576,901.80 = 655,915,532.40 : x
  2. Step 2: Convert to fraction form
    2,208,384,601.20/3,312,576,901.80 = 655,915,532.40/x
  3. Step 3: Cross multiply
    2,208,384,601.20x = 3,312,576,901.80 × 655,915,532.40
  4. Step 4: Simplify right side
    2,208,384,601.20x = 2,172,770,642,160,089,600
  5. Step 5: Solve for x
    x = 2,172,770,642,160,089,600/2,208,384,601.20
  6. Step 6: Final answer
    x = 983,873,298.60

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Double scale
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Similar ratio
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1.5x scale

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.