Home / 1,424,160,137.31-1,964,714,963.52-859,329,986.36

Finding the Fourth Proportional to 1,424,160,137.31, 1,964,714,963.52 and 859,329,986.36

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Solution

The fourth proportional to 1,424,160,137.31, 1,964,714,963.52 and 859,329,986.36 is: 1,185,497,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,160,137.31 : 1,964,714,963.52 = 859,329,986.36 : x
  2. Step 2: Convert to fraction form
    1,424,160,137.31/1,964,714,963.52 = 859,329,986.36/x
  3. Step 3: Cross multiply
    1,424,160,137.31x = 1,964,714,963.52 × 859,329,986.36
  4. Step 4: Simplify right side
    1,424,160,137.31x = 1,688,338,482,793,105,920
  5. Step 5: Solve for x
    x = 1,688,338,482,793,105,920/1,424,160,137.31
  6. Step 6: Final answer
    x = 1,185,497,640.72

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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.