Home / 352,268,486.40-528,402,729.60-260,435,481.60

Finding the Fourth Proportional to 352,268,486.40, 528,402,729.60 and 260,435,481.60

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Solution

The fourth proportional to 352,268,486.40, 528,402,729.60 and 260,435,481.60 is: 390,653,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,268,486.40 : 528,402,729.60 = 260,435,481.60 : x
  2. Step 2: Convert to fraction form
    352,268,486.40/528,402,729.60 = 260,435,481.60/x
  3. Step 3: Cross multiply
    352,268,486.40x = 528,402,729.60 × 260,435,481.60
  4. Step 4: Simplify right side
    352,268,486.40x = 137,614,819,362,130,576
  5. Step 5: Solve for x
    x = 137,614,819,362,130,576/352,268,486.40
  6. Step 6: Final answer
    x = 390,653,222.40

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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.