Home / 439,872,868.80-659,641,341.60-133,063,012.80

Finding the Fourth Proportional to 439,872,868.80, 659,641,341.60 and 133,063,012.80

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Solution

The fourth proportional to 439,872,868.80, 659,641,341.60 and 133,063,012.80 is: 199,543,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,872,868.80 : 659,641,341.60 = 133,063,012.80 : x
  2. Step 2: Convert to fraction form
    439,872,868.80/659,641,341.60 = 133,063,012.80/x
  3. Step 3: Cross multiply
    439,872,868.80x = 659,641,341.60 × 133,063,012.80
  4. Step 4: Simplify right side
    439,872,868.80x = 87,773,864,280,729,968
  5. Step 5: Solve for x
    x = 87,773,864,280,729,968/439,872,868.80
  6. Step 6: Final answer
    x = 199,543,710.25

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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.