Home / 419,153,256,437.29-578,908,629,016.70-281,737,511,161.29

Finding the Fourth Proportional to 419,153,256,437.29, 578,908,629,016.70 and 281,737,511,161.29

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Solution

The fourth proportional to 419,153,256,437.29, 578,908,629,016.70 and 281,737,511,161.29 is: 389,118,475,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,153,256,437.29 : 578,908,629,016.70 = 281,737,511,161.29 : x
  2. Step 2: Convert to fraction form
    419,153,256,437.29/578,908,629,016.70 = 281,737,511,161.29/x
  3. Step 3: Cross multiply
    419,153,256,437.29x = 578,908,629,016.70 × 281,737,511,161.29
  4. Step 4: Simplify right side
    419,153,256,437.29x = 163,100,276,328,959,582,404,608
  5. Step 5: Solve for x
    x = 163,100,276,328,959,582,404,608/419,153,256,437.29
  6. Step 6: Final answer
    x = 389,118,475,937.12

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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.