Home / 352,266,814.40-528,400,221.60-260,433,809.60

Finding the Fourth Proportional to 352,266,814.40, 528,400,221.60 and 260,433,809.60

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Solution

The fourth proportional to 352,266,814.40, 528,400,221.60 and 260,433,809.60 is: 390,650,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,266,814.40 : 528,400,221.60 = 260,433,809.60 : x
  2. Step 2: Convert to fraction form
    352,266,814.40/528,400,221.60 = 260,433,809.60/x
  3. Step 3: Cross multiply
    352,266,814.40x = 528,400,221.60 × 260,433,809.60
  4. Step 4: Simplify right side
    352,266,814.40x = 137,613,282,704,772,208
  5. Step 5: Solve for x
    x = 137,613,282,704,772,208/352,266,814.40
  6. Step 6: Final answer
    x = 390,650,714.40

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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.