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Finding the Fourth Proportional to 1,234,617,879.81, 1,703,774,540.66 and 670,102,964.13

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Solution

The fourth proportional to 1,234,617,879.81, 1,703,774,540.66 and 670,102,964.13 is: 924,743,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,617,879.81 : 1,703,774,540.66 = 670,102,964.13 : x
  2. Step 2: Convert to fraction form
    1,234,617,879.81/1,703,774,540.66 = 670,102,964.13/x
  3. Step 3: Cross multiply
    1,234,617,879.81x = 1,703,774,540.66 × 670,102,964.13
  4. Step 4: Simplify right side
    1,234,617,879.81x = 1,141,704,369,902,144,640
  5. Step 5: Solve for x
    x = 1,141,704,369,902,144,640/1,234,617,879.81
  6. Step 6: Final answer
    x = 924,743,103.57

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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.