Home / 21,062,579,289.48-31,604,731,092.54-9,871,590,391.83

Finding the Fourth Proportional to 21,062,579,289.48, 31,604,731,092.54 and 9,871,590,391.83

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Solution

The fourth proportional to 21,062,579,289.48, 31,604,731,092.54 and 9,871,590,391.83 is: 14,812,476,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,579,289.48 : 31,604,731,092.54 = 9,871,590,391.83 : x
  2. Step 2: Convert to fraction form
    21,062,579,289.48/31,604,731,092.54 = 9,871,590,391.83/x
  3. Step 3: Cross multiply
    21,062,579,289.48x = 31,604,731,092.54 × 9,871,590,391.83
  4. Step 4: Simplify right side
    21,062,579,289.48x = 311,988,959,789,488,734,208
  5. Step 5: Solve for x
    x = 311,988,959,789,488,734,208/21,062,579,289.48
  6. Step 6: Final answer
    x = 14,812,476,454.17

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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.