Home / 681,258,214.91-940,136,748.45-367,992,567.28

Finding the Fourth Proportional to 681,258,214.91, 940,136,748.45 and 367,992,567.28

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Solution

The fourth proportional to 681,258,214.91, 940,136,748.45 and 367,992,567.28 is: 507,829,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,214.91 : 940,136,748.45 = 367,992,567.28 : x
  2. Step 2: Convert to fraction form
    681,258,214.91/940,136,748.45 = 367,992,567.28/x
  3. Step 3: Cross multiply
    681,258,214.91x = 940,136,748.45 × 367,992,567.28
  4. Step 4: Simplify right side
    681,258,214.91x = 345,963,335,654,036,736
  5. Step 5: Solve for x
    x = 345,963,335,654,036,736/681,258,214.91
  6. Step 6: Final answer
    x = 507,829,965.32

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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.