Home / 338,256,947.70-507,385,421.55-270,232,499.70

Finding the Fourth Proportional to 338,256,947.70, 507,385,421.55 and 270,232,499.70

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Solution

The fourth proportional to 338,256,947.70, 507,385,421.55 and 270,232,499.70 is: 405,348,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,256,947.70 : 507,385,421.55 = 270,232,499.70 : x
  2. Step 2: Convert to fraction form
    338,256,947.70/507,385,421.55 = 270,232,499.70/x
  3. Step 3: Cross multiply
    338,256,947.70x = 507,385,421.55 × 270,232,499.70
  4. Step 4: Simplify right side
    338,256,947.70x = 137,112,030,776,794,752
  5. Step 5: Solve for x
    x = 137,112,030,776,794,752/338,256,947.70
  6. Step 6: Final answer
    x = 405,348,749.55

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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.