Home / 2,889,748,095.89-3,988,183,184.51-1,619,932,041.05

Finding the Fourth Proportional to 2,889,748,095.89, 3,988,183,184.51 and 1,619,932,041.05

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Solution

The fourth proportional to 2,889,748,095.89, 3,988,183,184.51 and 1,619,932,041.05 is: 2,235,691,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,748,095.89 : 3,988,183,184.51 = 1,619,932,041.05 : x
  2. Step 2: Convert to fraction form
    2,889,748,095.89/3,988,183,184.51 = 1,619,932,041.05/x
  3. Step 3: Cross multiply
    2,889,748,095.89x = 3,988,183,184.51 × 1,619,932,041.05
  4. Step 4: Simplify right side
    2,889,748,095.89x = 6,460,585,726,136,532,992
  5. Step 5: Solve for x
    x = 6,460,585,726,136,532,992/2,889,748,095.89
  6. Step 6: Final answer
    x = 2,235,691,663.00

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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.