Home / 516,057,311.42-712,136,116.80-301,495,843.51

Finding the Fourth Proportional to 516,057,311.42, 712,136,116.80 and 301,495,843.51

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Solution

The fourth proportional to 516,057,311.42, 712,136,116.80 and 301,495,843.51 is: 416,050,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,057,311.42 : 712,136,116.80 = 301,495,843.51 : x
  2. Step 2: Convert to fraction form
    516,057,311.42/712,136,116.80 = 301,495,843.51/x
  3. Step 3: Cross multiply
    516,057,311.42x = 712,136,116.80 × 301,495,843.51
  4. Step 4: Simplify right side
    516,057,311.42x = 214,706,079,228,551,872
  5. Step 5: Solve for x
    x = 214,706,079,228,551,872/516,057,311.42
  6. Step 6: Final answer
    x = 416,050,842.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.