Home / 553,811,422.48-764,495,085.10-345,070,697.90

Finding the Fourth Proportional to 553,811,422.48, 764,495,085.10 and 345,070,697.90

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Solution

The fourth proportional to 553,811,422.48, 764,495,085.10 and 345,070,697.90 is: 476,344,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,422.48 : 764,495,085.10 = 345,070,697.90 : x
  2. Step 2: Convert to fraction form
    553,811,422.48/764,495,085.10 = 345,070,697.90/x
  3. Step 3: Cross multiply
    553,811,422.48x = 764,495,085.10 × 345,070,697.90
  4. Step 4: Simplify right side
    553,811,422.48x = 263,804,852,556,576,896
  5. Step 5: Solve for x
    x = 263,804,852,556,576,896/553,811,422.48
  6. Step 6: Final answer
    x = 476,344,188.38

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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.