Home / 864,618,215.40-1,297,007,051.10-282,355,512.60

Finding the Fourth Proportional to 864,618,215.40, 1,297,007,051.10 and 282,355,512.60

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Solution

The fourth proportional to 864,618,215.40, 1,297,007,051.10 and 282,355,512.60 is: 423,559,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,618,215.40 : 1,297,007,051.10 = 282,355,512.60 : x
  2. Step 2: Convert to fraction form
    864,618,215.40/1,297,007,051.10 = 282,355,512.60/x
  3. Step 3: Cross multiply
    864,618,215.40x = 1,297,007,051.10 × 282,355,512.60
  4. Step 4: Simplify right side
    864,618,215.40x = 366,217,090,759,154,880
  5. Step 5: Solve for x
    x = 366,217,090,759,154,880/864,618,215.40
  6. Step 6: Final answer
    x = 423,559,305.41

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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.