Home / 659,766,235.16-910,424,307.66-381,325,793.24

Finding the Fourth Proportional to 659,766,235.16, 910,424,307.66 and 381,325,793.24

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Solution

The fourth proportional to 659,766,235.16, 910,424,307.66 and 381,325,793.24 is: 526,198,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,766,235.16 : 910,424,307.66 = 381,325,793.24 : x
  2. Step 2: Convert to fraction form
    659,766,235.16/910,424,307.66 = 381,325,793.24/x
  3. Step 3: Cross multiply
    659,766,235.16x = 910,424,307.66 × 381,325,793.24
  4. Step 4: Simplify right side
    659,766,235.16x = 347,168,271,303,427,328
  5. Step 5: Solve for x
    x = 347,168,271,303,427,328/659,766,235.16
  6. Step 6: Final answer
    x = 526,198,906.22

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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.