Home / 1,563,556,805.54-2,345,333,227.74-399,025,322.78

Finding the Fourth Proportional to 1,563,556,805.54, 2,345,333,227.74 and 399,025,322.78

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Solution

The fourth proportional to 1,563,556,805.54, 2,345,333,227.74 and 399,025,322.78 is: 598,537,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,556,805.54 : 2,345,333,227.74 = 399,025,322.78 : x
  2. Step 2: Convert to fraction form
    1,563,556,805.54/2,345,333,227.74 = 399,025,322.78/x
  3. Step 3: Cross multiply
    1,563,556,805.54x = 2,345,333,227.74 × 399,025,322.78
  4. Step 4: Simplify right side
    1,563,556,805.54x = 935,847,348,225,612,544
  5. Step 5: Solve for x
    x = 935,847,348,225,612,544/1,563,556,805.54
  6. Step 6: Final answer
    x = 598,537,478.72

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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.