Home / 289,565,013,661.62-399,599,784,078.82-159,353,868,250.23

Finding the Fourth Proportional to 289,565,013,661.62, 399,599,784,078.82 and 159,353,868,250.23

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Solution

The fourth proportional to 289,565,013,661.62, 399,599,784,078.82 and 159,353,868,250.23 is: 219,908,374,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,565,013,661.62 : 399,599,784,078.82 = 159,353,868,250.23 : x
  2. Step 2: Convert to fraction form
    289,565,013,661.62/399,599,784,078.82 = 159,353,868,250.23/x
  3. Step 3: Cross multiply
    289,565,013,661.62x = 399,599,784,078.82 × 159,353,868,250.23
  4. Step 4: Simplify right side
    289,565,013,661.62x = 63,677,771,344,916,640,694,272
  5. Step 5: Solve for x
    x = 63,677,771,344,916,640,694,272/289,565,013,661.62
  6. Step 6: Final answer
    x = 219,908,374,080.47

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1.5x scale

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.