Home / 681,258,204.71-940,136,734.36-367,992,557.08

Finding the Fourth Proportional to 681,258,204.71, 940,136,734.36 and 367,992,557.08

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Solution

The fourth proportional to 681,258,204.71, 940,136,734.36 and 367,992,557.08 is: 507,829,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,204.71 : 940,136,734.36 = 367,992,557.08 : x
  2. Step 2: Convert to fraction form
    681,258,204.71/940,136,734.36 = 367,992,557.08/x
  3. Step 3: Cross multiply
    681,258,204.71x = 940,136,734.36 × 367,992,557.08
  4. Step 4: Simplify right side
    681,258,204.71x = 345,963,320,881,977,088
  5. Step 5: Solve for x
    x = 345,963,320,881,977,088/681,258,204.71
  6. Step 6: Final answer
    x = 507,829,951.24

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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.