Home / 251,640,783,378.55-347,264,267,779.80-135,897,531,873.01

Finding the Fourth Proportional to 251,640,783,378.55, 347,264,267,779.80 and 135,897,531,873.01

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Solution

The fourth proportional to 251,640,783,378.55, 347,264,267,779.80 and 135,897,531,873.01 is: 187,538,586,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,640,783,378.55 : 347,264,267,779.80 = 135,897,531,873.01 : x
  2. Step 2: Convert to fraction form
    251,640,783,378.55/347,264,267,779.80 = 135,897,531,873.01/x
  3. Step 3: Cross multiply
    251,640,783,378.55x = 347,264,267,779.80 × 135,897,531,873.01
  4. Step 4: Simplify right side
    251,640,783,378.55x = 47,192,356,898,962,845,728,768
  5. Step 5: Solve for x
    x = 47,192,356,898,962,845,728,768/251,640,783,378.55
  6. Step 6: Final answer
    x = 187,538,586,811.54

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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.