Home / 524,217,383.40-786,326,075.10-491,905,770.60

Finding the Fourth Proportional to 524,217,383.40, 786,326,075.10 and 491,905,770.60

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Solution

The fourth proportional to 524,217,383.40, 786,326,075.10 and 491,905,770.60 is: 737,858,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,217,383.40 : 786,326,075.10 = 491,905,770.60 : x
  2. Step 2: Convert to fraction form
    524,217,383.40/786,326,075.10 = 491,905,770.60/x
  3. Step 3: Cross multiply
    524,217,383.40x = 786,326,075.10 × 491,905,770.60
  4. Step 4: Simplify right side
    524,217,383.40x = 386,798,333,914,939,008
  5. Step 5: Solve for x
    x = 386,798,333,914,939,008/524,217,383.40
  6. Step 6: Final answer
    x = 737,858,655.90

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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.