Home / 670,216,985.10-1,005,470,908.29-203,866,288.29

Finding the Fourth Proportional to 670,216,985.10, 1,005,470,908.29 and 203,866,288.29

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Solution

The fourth proportional to 670,216,985.10, 1,005,470,908.29 and 203,866,288.29 is: 305,843,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,216,985.10 : 1,005,470,908.29 = 203,866,288.29 : x
  2. Step 2: Convert to fraction form
    670,216,985.10/1,005,470,908.29 = 203,866,288.29/x
  3. Step 3: Cross multiply
    670,216,985.10x = 1,005,470,908.29 × 203,866,288.29
  4. Step 4: Simplify right side
    670,216,985.10x = 204,981,622,056,657,280
  5. Step 5: Solve for x
    x = 204,981,622,056,657,280/670,216,985.10
  6. Step 6: Final answer
    x = 305,843,669.46

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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.