Home / 446,656,768.80-670,006,148.40-139,958,887.20

Finding the Fourth Proportional to 446,656,768.80, 670,006,148.40 and 139,958,887.20

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Solution

The fourth proportional to 446,656,768.80, 670,006,148.40 and 139,958,887.20 is: 209,944,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,656,768.80 : 670,006,148.40 = 139,958,887.20 : x
  2. Step 2: Convert to fraction form
    446,656,768.80/670,006,148.40 = 139,958,887.20/x
  3. Step 3: Cross multiply
    446,656,768.80x = 670,006,148.40 × 139,958,887.20
  4. Step 4: Simplify right side
    446,656,768.80x = 93,773,314,947,222,048
  5. Step 5: Solve for x
    x = 93,773,314,947,222,048/446,656,768.80
  6. Step 6: Final answer
    x = 209,944,909.60

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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.