Home / 839,723,212.68-1,159,048,521.30-487,412,707.24

Finding the Fourth Proportional to 839,723,212.68, 1,159,048,521.30 and 487,412,707.24

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Solution

The fourth proportional to 839,723,212.68, 1,159,048,521.30 and 487,412,707.24 is: 672,763,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,723,212.68 : 1,159,048,521.30 = 487,412,707.24 : x
  2. Step 2: Convert to fraction form
    839,723,212.68/1,159,048,521.30 = 487,412,707.24/x
  3. Step 3: Cross multiply
    839,723,212.68x = 1,159,048,521.30 × 487,412,707.24
  4. Step 4: Simplify right side
    839,723,212.68x = 564,934,977,589,351,808
  5. Step 5: Solve for x
    x = 564,934,977,589,351,808/839,723,212.68
  6. Step 6: Final answer
    x = 672,763,321.36

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Double scale
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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.