Home / 443,070,141.40-664,605,212.10-213,487,629.40

Finding the Fourth Proportional to 443,070,141.40, 664,605,212.10 and 213,487,629.40

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Solution

The fourth proportional to 443,070,141.40, 664,605,212.10 and 213,487,629.40 is: 320,231,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,070,141.40 : 664,605,212.10 = 213,487,629.40 : x
  2. Step 2: Convert to fraction form
    443,070,141.40/664,605,212.10 = 213,487,629.40/x
  3. Step 3: Cross multiply
    443,070,141.40x = 664,605,212.10 × 213,487,629.40
  4. Step 4: Simplify right side
    443,070,141.40x = 141,884,991,218,113,200
  5. Step 5: Solve for x
    x = 141,884,991,218,113,200/443,070,141.40
  6. Step 6: Final answer
    x = 320,231,444.10

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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.