Home / 1,115,433,848.52-1,673,090,223.46-339,018,974.78

Finding the Fourth Proportional to 1,115,433,848.52, 1,673,090,223.46 and 339,018,974.78

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Solution

The fourth proportional to 1,115,433,848.52, 1,673,090,223.46 and 339,018,974.78 is: 508,510,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,433,848.52 : 1,673,090,223.46 = 339,018,974.78 : x
  2. Step 2: Convert to fraction form
    1,115,433,848.52/1,673,090,223.46 = 339,018,974.78/x
  3. Step 3: Cross multiply
    1,115,433,848.52x = 1,673,090,223.46 × 339,018,974.78
  4. Step 4: Simplify right side
    1,115,433,848.52x = 567,209,332,269,680,960
  5. Step 5: Solve for x
    x = 567,209,332,269,680,960/1,115,433,848.52
  6. Step 6: Final answer
    x = 508,510,059.13

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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.