Home / 847,091,911.62-1,169,015,223.05-470,764,359.56

Finding the Fourth Proportional to 847,091,911.62, 1,169,015,223.05 and 470,764,359.56

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Solution

The fourth proportional to 847,091,911.62, 1,169,015,223.05 and 470,764,359.56 is: 649,670,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,091,911.62 : 1,169,015,223.05 = 470,764,359.56 : x
  2. Step 2: Convert to fraction form
    847,091,911.62/1,169,015,223.05 = 470,764,359.56/x
  3. Step 3: Cross multiply
    847,091,911.62x = 1,169,015,223.05 × 470,764,359.56
  4. Step 4: Simplify right side
    847,091,911.62x = 550,330,702,786,824,960
  5. Step 5: Solve for x
    x = 550,330,702,786,824,960/847,091,911.62
  6. Step 6: Final answer
    x = 649,670,590.92

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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.