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Finding the Fourth Proportional to 18,649,232,788.65, 27,973,849,182.98 and 18,649,232,788.65

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Solution

The fourth proportional to 18,649,232,788.65, 27,973,849,182.98 and 18,649,232,788.65 is: 27,973,849,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649,232,788.65 : 27,973,849,182.98 = 18,649,232,788.65 : x
  2. Step 2: Convert to fraction form
    18,649,232,788.65/27,973,849,182.98 = 18,649,232,788.65/x
  3. Step 3: Cross multiply
    18,649,232,788.65x = 27,973,849,182.98 × 18,649,232,788.65
  4. Step 4: Simplify right side
    18,649,232,788.65x = 521,690,825,407,887,376,384
  5. Step 5: Solve for x
    x = 521,690,825,407,887,376,384/18,649,232,788.65
  6. Step 6: Final answer
    x = 27,973,849,182.98

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.