Home / 2,436,152,009.40-3,361,802,788.53-1,378,857,281.13

Finding the Fourth Proportional to 2,436,152,009.40, 3,361,802,788.53 and 1,378,857,281.13

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Solution

The fourth proportional to 2,436,152,009.40, 3,361,802,788.53 and 1,378,857,281.13 is: 1,902,773,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436,152,009.40 : 3,361,802,788.53 = 1,378,857,281.13 : x
  2. Step 2: Convert to fraction form
    2,436,152,009.40/3,361,802,788.53 = 1,378,857,281.13/x
  3. Step 3: Cross multiply
    2,436,152,009.40x = 3,361,802,788.53 × 1,378,857,281.13
  4. Step 4: Simplify right side
    2,436,152,009.40x = 4,635,446,252,687,728,640
  5. Step 5: Solve for x
    x = 4,635,446,252,687,728,640/2,436,152,009.40
  6. Step 6: Final answer
    x = 1,902,773,814.94

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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.