Home / 42,792,370,981.56-64,188,470,936.34-11,353,171,571.64

Finding the Fourth Proportional to 42,792,370,981.56, 64,188,470,936.34 and 11,353,171,571.64

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Solution

The fourth proportional to 42,792,370,981.56, 64,188,470,936.34 and 11,353,171,571.64 is: 17,029,734,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,792,370,981.56 : 64,188,470,936.34 = 11,353,171,571.64 : x
  2. Step 2: Convert to fraction form
    42,792,370,981.56/64,188,470,936.34 = 11,353,171,571.64/x
  3. Step 3: Cross multiply
    42,792,370,981.56x = 64,188,470,936.34 × 11,353,171,571.64
  4. Step 4: Simplify right side
    42,792,370,981.56x = 728,742,723,461,495,521,280
  5. Step 5: Solve for x
    x = 728,742,723,461,495,521,280/42,792,370,981.56
  6. Step 6: Final answer
    x = 17,029,734,664.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.