Home / 1,470,015,684.29-2,028,595,990.64-800,966,267.30

Finding the Fourth Proportional to 1,470,015,684.29, 2,028,595,990.64 and 800,966,267.30

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Solution

The fourth proportional to 1,470,015,684.29, 2,028,595,990.64 and 800,966,267.30 is: 1,105,319,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,015,684.29 : 2,028,595,990.64 = 800,966,267.30 : x
  2. Step 2: Convert to fraction form
    1,470,015,684.29/2,028,595,990.64 = 800,966,267.30/x
  3. Step 3: Cross multiply
    1,470,015,684.29x = 2,028,595,990.64 × 800,966,267.30
  4. Step 4: Simplify right side
    1,470,015,684.29x = 1,624,836,958,468,518,656
  5. Step 5: Solve for x
    x = 1,624,836,958,468,518,656/1,470,015,684.29
  6. Step 6: Final answer
    x = 1,105,319,470.97

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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.