Home / 518,178,573.60-715,085,394.75-295,160,170.74

Finding the Fourth Proportional to 518,178,573.60, 715,085,394.75 and 295,160,170.74

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Solution

The fourth proportional to 518,178,573.60, 715,085,394.75 and 295,160,170.74 is: 407,320,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,178,573.60 : 715,085,394.75 = 295,160,170.74 : x
  2. Step 2: Convert to fraction form
    518,178,573.60/715,085,394.75 = 295,160,170.74/x
  3. Step 3: Cross multiply
    518,178,573.60x = 715,085,394.75 × 295,160,170.74
  4. Step 4: Simplify right side
    518,178,573.60x = 211,064,727,208,090,304
  5. Step 5: Solve for x
    x = 211,064,727,208,090,304/518,178,573.60
  6. Step 6: Final answer
    x = 407,320,445.04

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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.