Home / 338,688,002.20-508,032,003.30-123,249,256.60

Finding the Fourth Proportional to 338,688,002.20, 508,032,003.30 and 123,249,256.60

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Solution

The fourth proportional to 338,688,002.20, 508,032,003.30 and 123,249,256.60 is: 184,873,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,688,002.20 : 508,032,003.30 = 123,249,256.60 : x
  2. Step 2: Convert to fraction form
    338,688,002.20/508,032,003.30 = 123,249,256.60/x
  3. Step 3: Cross multiply
    338,688,002.20x = 508,032,003.30 × 123,249,256.60
  4. Step 4: Simplify right side
    338,688,002.20x = 62,614,566,735,733,744
  5. Step 5: Solve for x
    x = 62,614,566,735,733,744/338,688,002.20
  6. Step 6: Final answer
    x = 184,873,884.90

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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.