Home / 3,989,113,298.60-5,983,669,947.90-1,081,068,146.60

Finding the Fourth Proportional to 3,989,113,298.60, 5,983,669,947.90 and 1,081,068,146.60

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Solution

The fourth proportional to 3,989,113,298.60, 5,983,669,947.90 and 1,081,068,146.60 is: 1,621,602,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,113,298.60 : 5,983,669,947.90 = 1,081,068,146.60 : x
  2. Step 2: Convert to fraction form
    3,989,113,298.60/5,983,669,947.90 = 1,081,068,146.60/x
  3. Step 3: Cross multiply
    3,989,113,298.60x = 5,983,669,947.90 × 1,081,068,146.60
  4. Step 4: Simplify right side
    3,989,113,298.60x = 6,468,754,980,442,371,072
  5. Step 5: Solve for x
    x = 6,468,754,980,442,371,072/3,989,113,298.60
  6. Step 6: Final answer
    x = 1,621,602,219.90

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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.