Home / 1,154,919,940.40-1,732,805,063.40-378,590,927.60

Finding the Fourth Proportional to 1,154,919,940.40, 1,732,805,063.40 and 378,590,927.60

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Solution

The fourth proportional to 1,154,919,940.40, 1,732,805,063.40 and 378,590,927.60 is: 568,025,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,919,940.40 : 1,732,805,063.40 = 378,590,927.60 : x
  2. Step 2: Convert to fraction form
    1,154,919,940.40/1,732,805,063.40 = 378,590,927.60/x
  3. Step 3: Cross multiply
    1,154,919,940.40x = 1,732,805,063.40 × 378,590,927.60
  4. Step 4: Simplify right side
    1,154,919,940.40x = 656,024,276,302,582,912
  5. Step 5: Solve for x
    x = 656,024,276,302,582,912/1,154,919,940.40
  6. Step 6: Final answer
    x = 568,025,759.50

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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.