Home / 338,979,762.80-508,535,999.40-144,890,802.80

Finding the Fourth Proportional to 338,979,762.80, 508,535,999.40 and 144,890,802.80

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Solution

The fourth proportional to 338,979,762.80, 508,535,999.40 and 144,890,802.80 is: 217,364,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,979,762.80 : 508,535,999.40 = 144,890,802.80 : x
  2. Step 2: Convert to fraction form
    338,979,762.80/508,535,999.40 = 144,890,802.80/x
  3. Step 3: Cross multiply
    338,979,762.80x = 508,535,999.40 × 144,890,802.80
  4. Step 4: Simplify right side
    338,979,762.80x = 73,682,189,205,766,320
  5. Step 5: Solve for x
    x = 73,682,189,205,766,320/338,979,762.80
  6. Step 6: Final answer
    x = 217,364,566.54

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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.