Home / 522,008,982.39-720,386,048.58-283,868,094.77

Finding the Fourth Proportional to 522,008,982.39, 720,386,048.58 and 283,868,094.77

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Solution

The fourth proportional to 522,008,982.39, 720,386,048.58 and 283,868,094.77 is: 391,745,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,008,982.39 : 720,386,048.58 = 283,868,094.77 : x
  2. Step 2: Convert to fraction form
    522,008,982.39/720,386,048.58 = 283,868,094.77/x
  3. Step 3: Cross multiply
    522,008,982.39x = 720,386,048.58 × 283,868,094.77
  4. Step 4: Simplify right side
    522,008,982.39x = 204,494,615,107,473,664
  5. Step 5: Solve for x
    x = 204,494,615,107,473,664/522,008,982.39
  6. Step 6: Final answer
    x = 391,745,395.21

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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.