Home / 430,633,312.80-646,099,268.40-188,470,010.40

Finding the Fourth Proportional to 430,633,312.80, 646,099,268.40 and 188,470,010.40

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Solution

The fourth proportional to 430,633,312.80, 646,099,268.40 and 188,470,010.40 is: 282,770,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,633,312.80 : 646,099,268.40 = 188,470,010.40 : x
  2. Step 2: Convert to fraction form
    430,633,312.80/646,099,268.40 = 188,470,010.40/x
  3. Step 3: Cross multiply
    430,633,312.80x = 646,099,268.40 × 188,470,010.40
  4. Step 4: Simplify right side
    430,633,312.80x = 121,770,335,834,780,384
  5. Step 5: Solve for x
    x = 121,770,335,834,780,384/430,633,312.80
  6. Step 6: Final answer
    x = 282,770,357.55

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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.