Home / 424,622,088.20-636,637,000.89-188,142,991.18

Finding the Fourth Proportional to 424,622,088.20, 636,637,000.89 and 188,142,991.18

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Solution

The fourth proportional to 424,622,088.20, 636,637,000.89 and 188,142,991.18 is: 282,083,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,622,088.20 : 636,637,000.89 = 188,142,991.18 : x
  2. Step 2: Convert to fraction form
    424,622,088.20/636,637,000.89 = 188,142,991.18/x
  3. Step 3: Cross multiply
    424,622,088.20x = 636,637,000.89 × 188,142,991.18
  4. Step 4: Simplify right side
    424,622,088.20x = 119,778,789,643,308,928
  5. Step 5: Solve for x
    x = 119,778,789,643,308,928/424,622,088.20
  6. Step 6: Final answer
    x = 282,083,275.86

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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.