Home / 1,992,907,883.60-2,989,361,825.40-1,812,111,655.40

Finding the Fourth Proportional to 1,992,907,883.60, 2,989,361,825.40 and 1,812,111,655.40

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Solution

The fourth proportional to 1,992,907,883.60, 2,989,361,825.40 and 1,812,111,655.40 is: 2,718,167,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,907,883.60 : 2,989,361,825.40 = 1,812,111,655.40 : x
  2. Step 2: Convert to fraction form
    1,992,907,883.60/2,989,361,825.40 = 1,812,111,655.40/x
  3. Step 3: Cross multiply
    1,992,907,883.60x = 2,989,361,825.40 × 1,812,111,655.40
  4. Step 4: Simplify right side
    1,992,907,883.60x = 5,417,057,406,015,160,320
  5. Step 5: Solve for x
    x = 5,417,057,406,015,160,320/1,992,907,883.60
  6. Step 6: Final answer
    x = 2,718,167,483.10

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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.