Home / 478,509,490.04-660,326,770.67-263,936,637.86

Finding the Fourth Proportional to 478,509,490.04, 660,326,770.67 and 263,936,637.86

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Solution

The fourth proportional to 478,509,490.04, 660,326,770.67 and 263,936,637.86 is: 364,223,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,509,490.04 : 660,326,770.67 = 263,936,637.86 : x
  2. Step 2: Convert to fraction form
    478,509,490.04/660,326,770.67 = 263,936,637.86/x
  3. Step 3: Cross multiply
    478,509,490.04x = 660,326,770.67 × 263,936,637.86
  4. Step 4: Simplify right side
    478,509,490.04x = 174,284,427,734,969,728
  5. Step 5: Solve for x
    x = 174,284,427,734,969,728/478,509,490.04
  6. Step 6: Final answer
    x = 364,223,555.36

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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.