Home / 491,457,075.80-737,185,613.70-127,951,431.80

Finding the Fourth Proportional to 491,457,075.80, 737,185,613.70 and 127,951,431.80

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Solution

The fourth proportional to 491,457,075.80, 737,185,613.70 and 127,951,431.80 is: 191,927,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,457,075.80 : 737,185,613.70 = 127,951,431.80 : x
  2. Step 2: Convert to fraction form
    491,457,075.80/737,185,613.70 = 127,951,431.80/x
  3. Step 3: Cross multiply
    491,457,075.80x = 737,185,613.70 × 127,951,431.80
  4. Step 4: Simplify right side
    491,457,075.80x = 94,323,954,775,276,704
  5. Step 5: Solve for x
    x = 94,323,954,775,276,704/491,457,075.80
  6. Step 6: Final answer
    x = 191,927,147.70

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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.