Home / 378,318,999.60-567,478,499.40-249,072,548.40

Finding the Fourth Proportional to 378,318,999.60, 567,478,499.40 and 249,072,548.40

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Solution

The fourth proportional to 378,318,999.60, 567,478,499.40 and 249,072,548.40 is: 373,608,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,318,999.60 : 567,478,499.40 = 249,072,548.40 : x
  2. Step 2: Convert to fraction form
    378,318,999.60/567,478,499.40 = 249,072,548.40/x
  3. Step 3: Cross multiply
    378,318,999.60x = 567,478,499.40 × 249,072,548.40
  4. Step 4: Simplify right side
    378,318,999.60x = 141,343,316,007,765,872
  5. Step 5: Solve for x
    x = 141,343,316,007,765,872/378,318,999.60
  6. Step 6: Final answer
    x = 373,608,822.60

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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.