Home / 305,703,036,920.16-421,871,469,634.98-168,522,852,031.78

Finding the Fourth Proportional to 305,703,036,920.16, 421,871,469,634.98 and 168,522,852,031.78

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Solution

The fourth proportional to 305,703,036,920.16, 421,871,469,634.98 and 168,522,852,031.78 is: 232,562,240,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,703,036,920.16 : 421,871,469,634.98 = 168,522,852,031.78 : x
  2. Step 2: Convert to fraction form
    305,703,036,920.16/421,871,469,634.98 = 168,522,852,031.78/x
  3. Step 3: Cross multiply
    305,703,036,920.16x = 421,871,469,634.98 × 168,522,852,031.78
  4. Step 4: Simplify right side
    305,703,036,920.16x = 71,094,983,253,725,296,984,064
  5. Step 5: Solve for x
    x = 71,094,983,253,725,296,984,064/305,703,036,920.16
  6. Step 6: Final answer
    x = 232,562,240,696.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.