Home / 847,067,260.40-1,168,981,172.13-470,739,709.70

Finding the Fourth Proportional to 847,067,260.40, 1,168,981,172.13 and 470,739,709.70

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Solution

The fourth proportional to 847,067,260.40, 1,168,981,172.13 and 470,739,709.70 is: 649,636,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,067,260.40 : 1,168,981,172.13 = 470,739,709.70 : x
  2. Step 2: Convert to fraction form
    847,067,260.40/1,168,981,172.13 = 470,739,709.70/x
  3. Step 3: Cross multiply
    847,067,260.40x = 1,168,981,172.13 × 470,739,709.70
  4. Step 4: Simplify right side
    847,067,260.40x = 550,285,857,613,241,984
  5. Step 5: Solve for x
    x = 550,285,857,613,241,984/847,067,260.40
  6. Step 6: Final answer
    x = 649,636,555.85

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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.