Home / 352,266,734.40-528,400,101.60-260,433,729.60

Finding the Fourth Proportional to 352,266,734.40, 528,400,101.60 and 260,433,729.60

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Solution

The fourth proportional to 352,266,734.40, 528,400,101.60 and 260,433,729.60 is: 390,650,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,266,734.40 : 528,400,101.60 = 260,433,729.60 : x
  2. Step 2: Convert to fraction form
    352,266,734.40/528,400,101.60 = 260,433,729.60/x
  3. Step 3: Cross multiply
    352,266,734.40x = 528,400,101.60 × 260,433,729.60
  4. Step 4: Simplify right side
    352,266,734.40x = 137,613,209,180,706,928
  5. Step 5: Solve for x
    x = 137,613,209,180,706,928/352,266,734.40
  6. Step 6: Final answer
    x = 390,650,594.40

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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.