Home / 729,312,337.04-1,006,412,804.52-399,224,247.44

Finding the Fourth Proportional to 729,312,337.04, 1,006,412,804.52 and 399,224,247.44

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Solution

The fourth proportional to 729,312,337.04, 1,006,412,804.52 and 399,224,247.44 is: 550,908,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,312,337.04 : 1,006,412,804.52 = 399,224,247.44 : x
  2. Step 2: Convert to fraction form
    729,312,337.04/1,006,412,804.52 = 399,224,247.44/x
  3. Step 3: Cross multiply
    729,312,337.04x = 1,006,412,804.52 × 399,224,247.44
  4. Step 4: Simplify right side
    729,312,337.04x = 401,784,394,498,476,800
  5. Step 5: Solve for x
    x = 401,784,394,498,476,800/729,312,337.04
  6. Step 6: Final answer
    x = 550,908,539.58

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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.