Home / 249,326,327.80-373,989,491.70-206,858,999.80

Finding the Fourth Proportional to 249,326,327.80, 373,989,491.70 and 206,858,999.80

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Solution

The fourth proportional to 249,326,327.80, 373,989,491.70 and 206,858,999.80 is: 310,288,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,326,327.80 : 373,989,491.70 = 206,858,999.80 : x
  2. Step 2: Convert to fraction form
    249,326,327.80/373,989,491.70 = 206,858,999.80/x
  3. Step 3: Cross multiply
    249,326,327.80x = 373,989,491.70 × 206,858,999.80
  4. Step 4: Simplify right side
    249,326,327.80x = 77,363,092,188,772,400
  5. Step 5: Solve for x
    x = 77,363,092,188,772,400/249,326,327.80
  6. Step 6: Final answer
    x = 310,288,499.70

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1.5x scale

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.