Home / 766,408,200.27-1,057,643,741.48-413,984,192.93

Finding the Fourth Proportional to 766,408,200.27, 1,057,643,741.48 and 413,984,192.93

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Solution

The fourth proportional to 766,408,200.27, 1,057,643,741.48 and 413,984,192.93 is: 571,298,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,408,200.27 : 1,057,643,741.48 = 413,984,192.93 : x
  2. Step 2: Convert to fraction form
    766,408,200.27/1,057,643,741.48 = 413,984,192.93/x
  3. Step 3: Cross multiply
    766,408,200.27x = 1,057,643,741.48 × 413,984,192.93
  4. Step 4: Simplify right side
    766,408,200.27x = 437,847,790,716,705,216
  5. Step 5: Solve for x
    x = 437,847,790,716,705,216/766,408,200.27
  6. Step 6: Final answer
    x = 571,298,415.86

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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.