Home / 3,573,081,099.59-4,930,987,959.81-1,987,287,727.64

Finding the Fourth Proportional to 3,573,081,099.59, 4,930,987,959.81 and 1,987,287,727.64

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Solution

The fourth proportional to 3,573,081,099.59, 4,930,987,959.81 and 1,987,287,727.64 is: 2,742,532,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573,081,099.59 : 4,930,987,959.81 = 1,987,287,727.64 : x
  2. Step 2: Convert to fraction form
    3,573,081,099.59/4,930,987,959.81 = 1,987,287,727.64/x
  3. Step 3: Cross multiply
    3,573,081,099.59x = 4,930,987,959.81 × 1,987,287,727.64
  4. Step 4: Simplify right side
    3,573,081,099.59x = 9,799,291,857,646,360,576
  5. Step 5: Solve for x
    x = 9,799,291,857,646,360,576/3,573,081,099.59
  6. Step 6: Final answer
    x = 2,742,532,728.63

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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.