Home / 2,068,648,117.20-2,854,794,689.42-1,128,911,289.12

Finding the Fourth Proportional to 2,068,648,117.20, 2,854,794,689.42 and 1,128,911,289.12

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Solution

The fourth proportional to 2,068,648,117.20, 2,854,794,689.42 and 1,128,911,289.12 is: 1,557,930,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,648,117.20 : 2,854,794,689.42 = 1,128,911,289.12 : x
  2. Step 2: Convert to fraction form
    2,068,648,117.20/2,854,794,689.42 = 1,128,911,289.12/x
  3. Step 3: Cross multiply
    2,068,648,117.20x = 2,854,794,689.42 × 1,128,911,289.12
  4. Step 4: Simplify right side
    2,068,648,117.20x = 3,222,809,953,000,417,280
  5. Step 5: Solve for x
    x = 3,222,809,953,000,417,280/2,068,648,117.20
  6. Step 6: Final answer
    x = 1,557,930,479.43

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Double scale
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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.