Home / 551,255,888.25-760,723,505.57-300,362,356.82

Finding the Fourth Proportional to 551,255,888.25, 760,723,505.57 and 300,362,356.82

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Solution

The fourth proportional to 551,255,888.25, 760,723,505.57 and 300,362,356.82 is: 414,494,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,255,888.25 : 760,723,505.57 = 300,362,356.82 : x
  2. Step 2: Convert to fraction form
    551,255,888.25/760,723,505.57 = 300,362,356.82/x
  3. Step 3: Cross multiply
    551,255,888.25x = 760,723,505.57 × 300,362,356.82
  4. Step 4: Simplify right side
    551,255,888.25x = 228,492,705,020,194,016
  5. Step 5: Solve for x
    x = 228,492,705,020,194,016/551,255,888.25
  6. Step 6: Final answer
    x = 414,494,810.65

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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.