Home / 1,136,693,680.70-1,705,040,521.05-646,917,655.10

Finding the Fourth Proportional to 1,136,693,680.70, 1,705,040,521.05 and 646,917,655.10

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Solution

The fourth proportional to 1,136,693,680.70, 1,705,040,521.05 and 646,917,655.10 is: 970,376,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,680.70 : 1,705,040,521.05 = 646,917,655.10 : x
  2. Step 2: Convert to fraction form
    1,136,693,680.70/1,705,040,521.05 = 646,917,655.10/x
  3. Step 3: Cross multiply
    1,136,693,680.70x = 1,705,040,521.05 × 646,917,655.10
  4. Step 4: Simplify right side
    1,136,693,680.70x = 1,103,020,815,728,148,224
  5. Step 5: Solve for x
    x = 1,103,020,815,728,148,224/1,136,693,680.70
  6. Step 6: Final answer
    x = 970,376,482.65

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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.