Home / 519,039,883.27-716,277,221.81-280,885,078.95

Finding the Fourth Proportional to 519,039,883.27, 716,277,221.81 and 280,885,078.95

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Solution

The fourth proportional to 519,039,883.27, 716,277,221.81 and 280,885,078.95 is: 387,622,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,039,883.27 : 716,277,221.81 = 280,885,078.95 : x
  2. Step 2: Convert to fraction form
    519,039,883.27/716,277,221.81 = 280,885,078.95/x
  3. Step 3: Cross multiply
    519,039,883.27x = 716,277,221.81 × 280,885,078.95
  4. Step 4: Simplify right side
    519,039,883.27x = 201,191,583,998,738,336
  5. Step 5: Solve for x
    x = 201,191,583,998,738,336/519,039,883.27
  6. Step 6: Final answer
    x = 387,622,590.26

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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.