Home / 1,738,250,012.40-2,607,375,018.60-921,956,636.40

Finding the Fourth Proportional to 1,738,250,012.40, 2,607,375,018.60 and 921,956,636.40

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Solution

The fourth proportional to 1,738,250,012.40, 2,607,375,018.60 and 921,956,636.40 is: 1,382,934,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,250,012.40 : 2,607,375,018.60 = 921,956,636.40 : x
  2. Step 2: Convert to fraction form
    1,738,250,012.40/2,607,375,018.60 = 921,956,636.40/x
  3. Step 3: Cross multiply
    1,738,250,012.40x = 2,607,375,018.60 × 921,956,636.40
  4. Step 4: Simplify right side
    1,738,250,012.40x = 2,403,886,701,981,843,456
  5. Step 5: Solve for x
    x = 2,403,886,701,981,843,456/1,738,250,012.40
  6. Step 6: Final answer
    x = 1,382,934,954.60

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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.