Home / 2,861,172,089.20-3,948,453,071.58-1,732,126,865.68

Finding the Fourth Proportional to 2,861,172,089.20, 3,948,453,071.58 and 1,732,126,865.68

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Solution

The fourth proportional to 2,861,172,089.20, 3,948,453,071.58 and 1,732,126,865.68 is: 2,390,356,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,172,089.20 : 3,948,453,071.58 = 1,732,126,865.68 : x
  2. Step 2: Convert to fraction form
    2,861,172,089.20/3,948,453,071.58 = 1,732,126,865.68/x
  3. Step 3: Cross multiply
    2,861,172,089.20x = 3,948,453,071.58 × 1,732,126,865.68
  4. Step 4: Simplify right side
    2,861,172,089.20x = 6,839,221,643,160,434,688
  5. Step 5: Solve for x
    x = 6,839,221,643,160,434,688/2,861,172,089.20
  6. Step 6: Final answer
    x = 2,390,356,619.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.