Home / 340,116,326.80-510,174,490.20-272,091,878.80

Finding the Fourth Proportional to 340,116,326.80, 510,174,490.20 and 272,091,878.80

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Solution

The fourth proportional to 340,116,326.80, 510,174,490.20 and 272,091,878.80 is: 408,137,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,116,326.80 : 510,174,490.20 = 272,091,878.80 : x
  2. Step 2: Convert to fraction form
    340,116,326.80/510,174,490.20 = 272,091,878.80/x
  3. Step 3: Cross multiply
    340,116,326.80x = 510,174,490.20 × 272,091,878.80
  4. Step 4: Simplify right side
    340,116,326.80x = 138,814,335,554,350,192
  5. Step 5: Solve for x
    x = 138,814,335,554,350,192/340,116,326.80
  6. Step 6: Final answer
    x = 408,137,818.20

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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.