Home / 489,680,148,376.36-675,760,645,864.70-269,944,013,219.93

Finding the Fourth Proportional to 489,680,148,376.36, 675,760,645,864.70 and 269,944,013,219.93

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Solution

The fourth proportional to 489,680,148,376.36, 675,760,645,864.70 and 269,944,013,219.93 is: 372,523,863,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,680,148,376.36 : 675,760,645,864.70 = 269,944,013,219.93 : x
  2. Step 2: Convert to fraction form
    489,680,148,376.36/675,760,645,864.70 = 269,944,013,219.93/x
  3. Step 3: Cross multiply
    489,680,148,376.36x = 675,760,645,864.70 × 269,944,013,219.93
  4. Step 4: Simplify right side
    489,680,148,376.36x = 182,417,540,720,808,987,459,584
  5. Step 5: Solve for x
    x = 182,417,540,720,808,987,459,584/489,680,148,376.36
  6. Step 6: Final answer
    x = 372,523,863,435.46

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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.