Home / 553,811,425.85-764,495,089.76-345,070,701.27

Finding the Fourth Proportional to 553,811,425.85, 764,495,089.76 and 345,070,701.27

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Solution

The fourth proportional to 553,811,425.85, 764,495,089.76 and 345,070,701.27 is: 476,344,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,425.85 : 764,495,089.76 = 345,070,701.27 : x
  2. Step 2: Convert to fraction form
    553,811,425.85/764,495,089.76 = 345,070,701.27/x
  3. Step 3: Cross multiply
    553,811,425.85x = 764,495,089.76 × 345,070,701.27
  4. Step 4: Simplify right side
    553,811,425.85x = 263,804,856,741,817,472
  5. Step 5: Solve for x
    x = 263,804,856,741,817,472/553,811,425.85
  6. Step 6: Final answer
    x = 476,344,193.04

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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.