Home / 342,143,999.10-513,215,998.65-307,506,584.70

Finding the Fourth Proportional to 342,143,999.10, 513,215,998.65 and 307,506,584.70

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Solution

The fourth proportional to 342,143,999.10, 513,215,998.65 and 307,506,584.70 is: 461,259,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,143,999.10 : 513,215,998.65 = 307,506,584.70 : x
  2. Step 2: Convert to fraction form
    342,143,999.10/513,215,998.65 = 307,506,584.70/x
  3. Step 3: Cross multiply
    342,143,999.10x = 513,215,998.65 × 307,506,584.70
  4. Step 4: Simplify right side
    342,143,999.10x = 157,817,298,958,261,312
  5. Step 5: Solve for x
    x = 157,817,298,958,261,312/342,143,999.10
  6. Step 6: Final answer
    x = 461,259,877.05

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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.