Home / 864,618,200.34-1,297,007,028.54-282,355,497.60

Finding the Fourth Proportional to 864,618,200.34, 1,297,007,028.54 and 282,355,497.60

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Solution

The fourth proportional to 864,618,200.34, 1,297,007,028.54 and 282,355,497.60 is: 423,559,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,618,200.34 : 1,297,007,028.54 = 282,355,497.60 : x
  2. Step 2: Convert to fraction form
    864,618,200.34/1,297,007,028.54 = 282,355,497.60/x
  3. Step 3: Cross multiply
    864,618,200.34x = 1,297,007,028.54 × 282,355,497.60
  4. Step 4: Simplify right side
    864,618,200.34x = 366,217,064,934,109,120
  5. Step 5: Solve for x
    x = 366,217,064,934,109,120/864,618,200.34
  6. Step 6: Final answer
    x = 423,559,282.92

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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.