Home / 771,801,229.04-1,065,092,421.86-419,377,225.84

Finding the Fourth Proportional to 771,801,229.04, 1,065,092,421.86 and 419,377,225.84

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Solution

The fourth proportional to 771,801,229.04, 1,065,092,421.86 and 419,377,225.84 is: 578,744,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,801,229.04 : 1,065,092,421.86 = 419,377,225.84 : x
  2. Step 2: Convert to fraction form
    771,801,229.04/1,065,092,421.86 = 419,377,225.84/x
  3. Step 3: Cross multiply
    771,801,229.04x = 1,065,092,421.86 × 419,377,225.84
  4. Step 4: Simplify right side
    771,801,229.04x = 446,675,505,142,853,760
  5. Step 5: Solve for x
    x = 446,675,505,142,853,760/771,801,229.04
  6. Step 6: Final answer
    x = 578,744,226.28

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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.