Home / 338,688,003.20-508,032,004.80-123,249,257.60

Finding the Fourth Proportional to 338,688,003.20, 508,032,004.80 and 123,249,257.60

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Solution

The fourth proportional to 338,688,003.20, 508,032,004.80 and 123,249,257.60 is: 184,873,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,688,003.20 : 508,032,004.80 = 123,249,257.60 : x
  2. Step 2: Convert to fraction form
    338,688,003.20/508,032,004.80 = 123,249,257.60/x
  3. Step 3: Cross multiply
    338,688,003.20x = 508,032,004.80 × 123,249,257.60
  4. Step 4: Simplify right side
    338,688,003.20x = 62,614,567,428,639,632
  5. Step 5: Solve for x
    x = 62,614,567,428,639,632/338,688,003.20
  6. Step 6: Final answer
    x = 184,873,886.40

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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.