Home / 508,108,351.64-701,201,613.68-285,106,528.60

Finding the Fourth Proportional to 508,108,351.64, 701,201,613.68 and 285,106,528.60

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Solution

The fourth proportional to 508,108,351.64, 701,201,613.68 and 285,106,528.60 is: 393,453,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,108,351.64 : 701,201,613.68 = 285,106,528.60 : x
  2. Step 2: Convert to fraction form
    508,108,351.64/701,201,613.68 = 285,106,528.60/x
  3. Step 3: Cross multiply
    508,108,351.64x = 701,201,613.68 × 285,106,528.60
  4. Step 4: Simplify right side
    508,108,351.64x = 199,917,157,925,023,072
  5. Step 5: Solve for x
    x = 199,917,157,925,023,072/508,108,351.64
  6. Step 6: Final answer
    x = 393,453,792.44

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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.