Home / 508,814,628.70-702,181,218.62-282,763,139.60

Finding the Fourth Proportional to 508,814,628.70, 702,181,218.62 and 282,763,139.60

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Solution

The fourth proportional to 508,814,628.70, 702,181,218.62 and 282,763,139.60 is: 390,222,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,814,628.70 : 702,181,218.62 = 282,763,139.60 : x
  2. Step 2: Convert to fraction form
    508,814,628.70/702,181,218.62 = 282,763,139.60/x
  3. Step 3: Cross multiply
    508,814,628.70x = 702,181,218.62 × 282,763,139.60
  4. Step 4: Simplify right side
    508,814,628.70x = 198,550,965,942,341,184
  5. Step 5: Solve for x
    x = 198,550,965,942,341,184/508,814,628.70
  6. Step 6: Final answer
    x = 390,222,597.28

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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.