Home / 1,115,433,851.52-1,673,090,227.95-339,018,977.78

Finding the Fourth Proportional to 1,115,433,851.52, 1,673,090,227.95 and 339,018,977.78

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Solution

The fourth proportional to 1,115,433,851.52, 1,673,090,227.95 and 339,018,977.78 is: 508,510,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,433,851.52 : 1,673,090,227.95 = 339,018,977.78 : x
  2. Step 2: Convert to fraction form
    1,115,433,851.52/1,673,090,227.95 = 339,018,977.78/x
  3. Step 3: Cross multiply
    1,115,433,851.52x = 1,673,090,227.95 × 339,018,977.78
  4. Step 4: Simplify right side
    1,115,433,851.52x = 567,209,338,804,950,720
  5. Step 5: Solve for x
    x = 567,209,338,804,950,720/1,115,433,851.52
  6. Step 6: Final answer
    x = 508,510,063.62

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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.