Home / 518,103,946.80-714,982,283.10-295,085,613.24

Finding the Fourth Proportional to 518,103,946.80, 714,982,283.10 and 295,085,613.24

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Solution

The fourth proportional to 518,103,946.80, 714,982,283.10 and 295,085,613.24 is: 407,217,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,103,946.80 : 714,982,283.10 = 295,085,613.24 : x
  2. Step 2: Convert to fraction form
    518,103,946.80/714,982,283.10 = 295,085,613.24/x
  3. Step 3: Cross multiply
    518,103,946.80x = 714,982,283.10 × 295,085,613.24
  4. Step 4: Simplify right side
    518,103,946.80x = 210,980,985,464,298,816
  5. Step 5: Solve for x
    x = 210,980,985,464,298,816/518,103,946.80
  6. Step 6: Final answer
    x = 407,217,483.61

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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.