Home / 864,618,268.52-1,297,007,130.72-282,355,565.60

Finding the Fourth Proportional to 864,618,268.52, 1,297,007,130.72 and 282,355,565.60

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Solution

The fourth proportional to 864,618,268.52, 1,297,007,130.72 and 282,355,565.60 is: 423,559,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,618,268.52 : 1,297,007,130.72 = 282,355,565.60 : x
  2. Step 2: Convert to fraction form
    864,618,268.52/1,297,007,130.72 = 282,355,565.60/x
  3. Step 3: Cross multiply
    864,618,268.52x = 1,297,007,130.72 × 282,355,565.60
  4. Step 4: Simplify right side
    864,618,268.52x = 366,217,181,981,678,784
  5. Step 5: Solve for x
    x = 366,217,181,981,678,784/864,618,268.52
  6. Step 6: Final answer
    x = 423,559,384.89

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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.