Home / 1,010,980,514.90-1,516,470,772.35-847,721,839.70

Finding the Fourth Proportional to 1,010,980,514.90, 1,516,470,772.35 and 847,721,839.70

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Solution

The fourth proportional to 1,010,980,514.90, 1,516,470,772.35 and 847,721,839.70 is: 1,271,582,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,980,514.90 : 1,516,470,772.35 = 847,721,839.70 : x
  2. Step 2: Convert to fraction form
    1,010,980,514.90/1,516,470,772.35 = 847,721,839.70/x
  3. Step 3: Cross multiply
    1,010,980,514.90x = 1,516,470,772.35 × 847,721,839.70
  4. Step 4: Simplify right side
    1,010,980,514.90x = 1,285,545,392,987,821,824
  5. Step 5: Solve for x
    x = 1,285,545,392,987,821,824/1,010,980,514.90
  6. Step 6: Final answer
    x = 1,271,582,759.55

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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.