Home / 809,051,029.20-1,213,576,543.80-349,886,005.20

Finding the Fourth Proportional to 809,051,029.20, 1,213,576,543.80 and 349,886,005.20

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Solution

The fourth proportional to 809,051,029.20, 1,213,576,543.80 and 349,886,005.20 is: 524,829,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,051,029.20 : 1,213,576,543.80 = 349,886,005.20 : x
  2. Step 2: Convert to fraction form
    809,051,029.20/1,213,576,543.80 = 349,886,005.20/x
  3. Step 3: Cross multiply
    809,051,029.20x = 1,213,576,543.80 × 349,886,005.20
  4. Step 4: Simplify right side
    809,051,029.20x = 424,613,448,914,604,800
  5. Step 5: Solve for x
    x = 424,613,448,914,604,800/809,051,029.20
  6. Step 6: Final answer
    x = 524,829,007.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.