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Finding the Fourth Proportional to 319,301,999.10, 478,952,998.65 and 319,301,999.10

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Solution

The fourth proportional to 319,301,999.10, 478,952,998.65 and 319,301,999.10 is: 478,952,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,301,999.10 : 478,952,998.65 = 319,301,999.10 : x
  2. Step 2: Convert to fraction form
    319,301,999.10/478,952,998.65 = 319,301,999.10/x
  3. Step 3: Cross multiply
    319,301,999.10x = 478,952,998.65 × 319,301,999.10
  4. Step 4: Simplify right side
    319,301,999.10x = 152,930,649,943,884,608
  5. Step 5: Solve for x
    x = 152,930,649,943,884,608/319,301,999.10
  6. Step 6: Final answer
    x = 478,952,998.65

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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.