Home / 1,420,959,869.06-1,961,528,405.08-885,376,150.48

Finding the Fourth Proportional to 1,420,959,869.06, 1,961,528,405.08 and 885,376,150.48

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Solution

The fourth proportional to 1,420,959,869.06, 1,961,528,405.08 and 885,376,150.48 is: 1,222,195,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,959,869.06 : 1,961,528,405.08 = 885,376,150.48 : x
  2. Step 2: Convert to fraction form
    1,420,959,869.06/1,961,528,405.08 = 885,376,150.48/x
  3. Step 3: Cross multiply
    1,420,959,869.06x = 1,961,528,405.08 × 885,376,150.48
  4. Step 4: Simplify right side
    1,420,959,869.06x = 1,736,690,468,339,787,264
  5. Step 5: Solve for x
    x = 1,736,690,468,339,787,264/1,420,959,869.06
  6. Step 6: Final answer
    x = 1,222,195,296.40

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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.