Home / 268,524,916,031.78-370,565,889,264.60-152,781,672,861.84

Finding the Fourth Proportional to 268,524,916,031.78, 370,565,889,264.60 and 152,781,672,861.84

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Solution

The fourth proportional to 268,524,916,031.78, 370,565,889,264.60 and 152,781,672,861.84 is: 210,839,564,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,524,916,031.78 : 370,565,889,264.60 = 152,781,672,861.84 : x
  2. Step 2: Convert to fraction form
    268,524,916,031.78/370,565,889,264.60 = 152,781,672,861.84/x
  3. Step 3: Cross multiply
    268,524,916,031.78x = 370,565,889,264.60 × 152,781,672,861.84
  4. Step 4: Simplify right side
    268,524,916,031.78x = 56,615,676,467,380,943,323,136
  5. Step 5: Solve for x
    x = 56,615,676,467,380,943,323,136/268,524,916,031.78
  6. Step 6: Final answer
    x = 210,839,564,923.95

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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.