Home / 776,105,477.50-1,071,029,909.19-441,577,991.84

Finding the Fourth Proportional to 776,105,477.50, 1,071,029,909.19 and 441,577,991.84

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Solution

The fourth proportional to 776,105,477.50, 1,071,029,909.19 and 441,577,991.84 is: 609,380,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,105,477.50 : 1,071,029,909.19 = 441,577,991.84 : x
  2. Step 2: Convert to fraction form
    776,105,477.50/1,071,029,909.19 = 441,577,991.84/x
  3. Step 3: Cross multiply
    776,105,477.50x = 1,071,029,909.19 × 441,577,991.84
  4. Step 4: Simplify right side
    776,105,477.50x = 472,943,236,495,342,592
  5. Step 5: Solve for x
    x = 472,943,236,495,342,592/776,105,477.50
  6. Step 6: Final answer
    x = 609,380,103.87

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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.