Home / 553,811,441.92-764,495,111.86-345,070,717.34

Finding the Fourth Proportional to 553,811,441.92, 764,495,111.86 and 345,070,717.34

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Solution

The fourth proportional to 553,811,441.92, 764,495,111.86 and 345,070,717.34 is: 476,344,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,441.92 : 764,495,111.86 = 345,070,717.34 : x
  2. Step 2: Convert to fraction form
    553,811,441.92/764,495,111.86 = 345,070,717.34/x
  3. Step 3: Cross multiply
    553,811,441.92x = 764,495,111.86 × 345,070,717.34
  4. Step 4: Simplify right side
    553,811,441.92x = 263,804,876,647,768,544
  5. Step 5: Solve for x
    x = 263,804,876,647,768,544/553,811,441.92
  6. Step 6: Final answer
    x = 476,344,215.16

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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.