Home / 305,704,905,894.16-421,874,044,385.98-168,524,718,483.60

Finding the Fourth Proportional to 305,704,905,894.16, 421,874,044,385.98 and 168,524,718,483.60

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Solution

The fourth proportional to 305,704,905,894.16, 421,874,044,385.98 and 168,524,718,483.60 is: 232,564,813,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,704,905,894.16 : 421,874,044,385.98 = 168,524,718,483.60 : x
  2. Step 2: Convert to fraction form
    305,704,905,894.16/421,874,044,385.98 = 168,524,718,483.60/x
  3. Step 3: Cross multiply
    305,704,905,894.16x = 421,874,044,385.98 × 168,524,718,483.60
  4. Step 4: Simplify right side
    305,704,905,894.16x = 71,096,204,565,685,049,753,600
  5. Step 5: Solve for x
    x = 71,096,204,565,685,049,753,600/305,704,905,894.16
  6. Step 6: Final answer
    x = 232,564,813,959.18

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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.