Home / 1,959,616,466.40-2,936,023,477.20-1,269,168,319.20

Finding the Fourth Proportional to 1,959,616,466.40, 2,936,023,477.20 and 1,269,168,319.20

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Solution

The fourth proportional to 1,959,616,466.40, 2,936,023,477.20 and 1,269,168,319.20 is: 1,901,549,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,616,466.40 : 2,936,023,477.20 = 1,269,168,319.20 : x
  2. Step 2: Convert to fraction form
    1,959,616,466.40/2,936,023,477.20 = 1,269,168,319.20/x
  3. Step 3: Cross multiply
    1,959,616,466.40x = 2,936,023,477.20 × 1,269,168,319.20
  4. Step 4: Simplify right side
    1,959,616,466.40x = 3,726,307,981,689,663,488
  5. Step 5: Solve for x
    x = 3,726,307,981,689,663,488/1,959,616,466.40
  6. Step 6: Final answer
    x = 1,901,549,637.69

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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.