Home / 464,543,999.60-696,815,999.40-205,883,135.60

Finding the Fourth Proportional to 464,543,999.60, 696,815,999.40 and 205,883,135.60

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Solution

The fourth proportional to 464,543,999.60, 696,815,999.40 and 205,883,135.60 is: 308,824,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,543,999.60 : 696,815,999.40 = 205,883,135.60 : x
  2. Step 2: Convert to fraction form
    464,543,999.60/696,815,999.40 = 205,883,135.60/x
  3. Step 3: Cross multiply
    464,543,999.60x = 696,815,999.40 × 205,883,135.60
  4. Step 4: Simplify right side
    464,543,999.60x = 143,462,662,892,719,712
  5. Step 5: Solve for x
    x = 143,462,662,892,719,712/464,543,999.60
  6. Step 6: Final answer
    x = 308,824,703.40

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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.