Home / 681,258,216.41-940,136,750.52-367,992,568.78

Finding the Fourth Proportional to 681,258,216.41, 940,136,750.52 and 367,992,568.78

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Solution

The fourth proportional to 681,258,216.41, 940,136,750.52 and 367,992,568.78 is: 507,829,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,216.41 : 940,136,750.52 = 367,992,568.78 : x
  2. Step 2: Convert to fraction form
    681,258,216.41/940,136,750.52 = 367,992,568.78/x
  3. Step 3: Cross multiply
    681,258,216.41x = 940,136,750.52 × 367,992,568.78
  4. Step 4: Simplify right side
    681,258,216.41x = 345,963,337,828,336,768
  5. Step 5: Solve for x
    x = 345,963,337,828,336,768/681,258,216.41
  6. Step 6: Final answer
    x = 507,829,967.40

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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.