Home / 771,801,228.04-1,065,092,420.48-419,377,224.84

Finding the Fourth Proportional to 771,801,228.04, 1,065,092,420.48 and 419,377,224.84

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Solution

The fourth proportional to 771,801,228.04, 1,065,092,420.48 and 419,377,224.84 is: 578,744,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,801,228.04 : 1,065,092,420.48 = 419,377,224.84 : x
  2. Step 2: Convert to fraction form
    771,801,228.04/1,065,092,420.48 = 419,377,224.84/x
  3. Step 3: Cross multiply
    771,801,228.04x = 1,065,092,420.48 × 419,377,224.84
  4. Step 4: Simplify right side
    771,801,228.04x = 446,675,503,499,020,736
  5. Step 5: Solve for x
    x = 446,675,503,499,020,736/771,801,228.04
  6. Step 6: Final answer
    x = 578,744,224.90

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1.5x scale

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.