Home / 847,067,259.89-1,168,981,171.44-470,739,709.20

Finding the Fourth Proportional to 847,067,259.89, 1,168,981,171.44 and 470,739,709.20

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Solution

The fourth proportional to 847,067,259.89, 1,168,981,171.44 and 470,739,709.20 is: 649,636,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,067,259.89 : 1,168,981,171.44 = 470,739,709.20 : x
  2. Step 2: Convert to fraction form
    847,067,259.89/1,168,981,171.44 = 470,739,709.20/x
  3. Step 3: Cross multiply
    847,067,259.89x = 1,168,981,171.44 × 470,739,709.20
  4. Step 4: Simplify right side
    847,067,259.89x = 550,285,856,701,284,160
  5. Step 5: Solve for x
    x = 550,285,856,701,284,160/847,067,259.89
  6. Step 6: Final answer
    x = 649,636,555.16

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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.