Home / 79,628,468,186.52-109,913,473,390.72-63,381,876,384.75

Finding the Fourth Proportional to 79,628,468,186.52, 109,913,473,390.72 and 63,381,876,384.75

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Solution

The fourth proportional to 79,628,468,186.52, 109,913,473,390.72 and 63,381,876,384.75 is: 87,487,833,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,628,468,186.52 : 109,913,473,390.72 = 63,381,876,384.75 : x
  2. Step 2: Convert to fraction form
    79,628,468,186.52/109,913,473,390.72 = 63,381,876,384.75/x
  3. Step 3: Cross multiply
    79,628,468,186.52x = 109,913,473,390.72 × 63,381,876,384.75
  4. Step 4: Simplify right side
    79,628,468,186.52x = 6,966,522,183,469,124,026,368
  5. Step 5: Solve for x
    x = 6,966,522,183,469,124,026,368/79,628,468,186.52
  6. Step 6: Final answer
    x = 87,487,833,712.32

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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.