Home / 1,915,190,334.78-2,642,961,468.18-1,035,124,038.78

Finding the Fourth Proportional to 1,915,190,334.78, 2,642,961,468.18 and 1,035,124,038.78

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Solution

The fourth proportional to 1,915,190,334.78, 2,642,961,468.18 and 1,035,124,038.78 is: 1,428,470,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,190,334.78 : 2,642,961,468.18 = 1,035,124,038.78 : x
  2. Step 2: Convert to fraction form
    1,915,190,334.78/2,642,961,468.18 = 1,035,124,038.78/x
  3. Step 3: Cross multiply
    1,915,190,334.78x = 2,642,961,468.18 × 1,035,124,038.78
  4. Step 4: Simplify right side
    1,915,190,334.78x = 2,735,792,949,282,399,744
  5. Step 5: Solve for x
    x = 2,735,792,949,282,399,744/1,915,190,334.78
  6. Step 6: Final answer
    x = 1,428,470,528.28

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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.