Home / 79,748,792,025.76-110,087,219,374.32-49,690,127,685.88

Finding the Fourth Proportional to 79,748,792,025.76, 110,087,219,374.32 and 49,690,127,685.88

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Solution

The fourth proportional to 79,748,792,025.76, 110,087,219,374.32 and 49,690,127,685.88 is: 68,593,490,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,748,792,025.76 : 110,087,219,374.32 = 49,690,127,685.88 : x
  2. Step 2: Convert to fraction form
    79,748,792,025.76/110,087,219,374.32 = 49,690,127,685.88/x
  3. Step 3: Cross multiply
    79,748,792,025.76x = 110,087,219,374.32 × 49,690,127,685.88
  4. Step 4: Simplify right side
    79,748,792,025.76x = 5,470,247,987,293,443,850,240
  5. Step 5: Solve for x
    x = 5,470,247,987,293,443,850,240/79,748,792,025.76
  6. Step 6: Final answer
    x = 68,593,490,237.78

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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.