Home / 338,979,643.80-508,535,820.90-144,890,683.80

Finding the Fourth Proportional to 338,979,643.80, 508,535,820.90 and 144,890,683.80

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Solution

The fourth proportional to 338,979,643.80, 508,535,820.90 and 144,890,683.80 is: 217,364,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,979,643.80 : 508,535,820.90 = 144,890,683.80 : x
  2. Step 2: Convert to fraction form
    338,979,643.80/508,535,820.90 = 144,890,683.80/x
  3. Step 3: Cross multiply
    338,979,643.80x = 508,535,820.90 × 144,890,683.80
  4. Step 4: Simplify right side
    338,979,643.80x = 73,682,102,826,995,328
  5. Step 5: Solve for x
    x = 73,682,102,826,995,328/338,979,643.80
  6. Step 6: Final answer
    x = 217,364,388.02

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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.