Home / 681,258,205.02-940,136,734.80-367,992,557.39

Finding the Fourth Proportional to 681,258,205.02, 940,136,734.80 and 367,992,557.39

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Solution

The fourth proportional to 681,258,205.02, 940,136,734.80 and 367,992,557.39 is: 507,829,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,205.02 : 940,136,734.80 = 367,992,557.39 : x
  2. Step 2: Convert to fraction form
    681,258,205.02/940,136,734.80 = 367,992,557.39/x
  3. Step 3: Cross multiply
    681,258,205.02x = 940,136,734.80 × 367,992,557.39
  4. Step 4: Simplify right side
    681,258,205.02x = 345,963,321,334,161,024
  5. Step 5: Solve for x
    x = 345,963,321,334,161,024/681,258,205.02
  6. Step 6: Final answer
    x = 507,829,951.68

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1.5x scale

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.