Home / 495,501,009.60-743,251,514.40-172,384,881.60

Finding the Fourth Proportional to 495,501,009.60, 743,251,514.40 and 172,384,881.60

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Solution

The fourth proportional to 495,501,009.60, 743,251,514.40 and 172,384,881.60 is: 258,577,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,501,009.60 : 743,251,514.40 = 172,384,881.60 : x
  2. Step 2: Convert to fraction form
    495,501,009.60/743,251,514.40 = 172,384,881.60/x
  3. Step 3: Cross multiply
    495,501,009.60x = 743,251,514.40 × 172,384,881.60
  4. Step 4: Simplify right side
    495,501,009.60x = 128,125,324,308,864,688
  5. Step 5: Solve for x
    x = 128,125,324,308,864,688/495,501,009.60
  6. Step 6: Final answer
    x = 258,577,322.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.