Home / 447,090,815.85-616,879,784.37-375,834,611.49

Finding the Fourth Proportional to 447,090,815.85, 616,879,784.37 and 375,834,611.49

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Solution

The fourth proportional to 447,090,815.85, 616,879,784.37 and 375,834,611.49 is: 518,563,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,090,815.85 : 616,879,784.37 = 375,834,611.49 : x
  2. Step 2: Convert to fraction form
    447,090,815.85/616,879,784.37 = 375,834,611.49/x
  3. Step 3: Cross multiply
    447,090,815.85x = 616,879,784.37 × 375,834,611.49
  4. Step 4: Simplify right side
    447,090,815.85x = 231,844,774,094,733,920
  5. Step 5: Solve for x
    x = 231,844,774,094,733,920/447,090,815.85
  6. Step 6: Final answer
    x = 518,563,043.29

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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.