Home / 354,308,844.60-531,463,266.90-208,592,825.40

Finding the Fourth Proportional to 354,308,844.60, 531,463,266.90 and 208,592,825.40

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Solution

The fourth proportional to 354,308,844.60, 531,463,266.90 and 208,592,825.40 is: 312,889,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,308,844.60 : 531,463,266.90 = 208,592,825.40 : x
  2. Step 2: Convert to fraction form
    354,308,844.60/531,463,266.90 = 208,592,825.40/x
  3. Step 3: Cross multiply
    354,308,844.60x = 531,463,266.90 × 208,592,825.40
  4. Step 4: Simplify right side
    354,308,844.60x = 110,859,424,438,985,296
  5. Step 5: Solve for x
    x = 110,859,424,438,985,296/354,308,844.60
  6. Step 6: Final answer
    x = 312,889,238.10

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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.