Home / 352,514,171.20-528,771,256.80-342,436,475.20

Finding the Fourth Proportional to 352,514,171.20, 528,771,256.80 and 342,436,475.20

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Solution

The fourth proportional to 352,514,171.20, 528,771,256.80 and 342,436,475.20 is: 513,654,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,514,171.20 : 528,771,256.80 = 342,436,475.20 : x
  2. Step 2: Convert to fraction form
    352,514,171.20/528,771,256.80 = 342,436,475.20/x
  3. Step 3: Cross multiply
    352,514,171.20x = 528,771,256.80 × 342,436,475.20
  4. Step 4: Simplify right side
    352,514,171.20x = 181,070,565,365,666,016
  5. Step 5: Solve for x
    x = 181,070,565,365,666,016/352,514,171.20
  6. Step 6: Final answer
    x = 513,654,712.80

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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.