Home / 304,129,891.40-456,194,837.10-207,384,009.80

Finding the Fourth Proportional to 304,129,891.40, 456,194,837.10 and 207,384,009.80

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Solution

The fourth proportional to 304,129,891.40, 456,194,837.10 and 207,384,009.80 is: 311,076,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,129,891.40 : 456,194,837.10 = 207,384,009.80 : x
  2. Step 2: Convert to fraction form
    304,129,891.40/456,194,837.10 = 207,384,009.80/x
  3. Step 3: Cross multiply
    304,129,891.40x = 456,194,837.10 × 207,384,009.80
  4. Step 4: Simplify right side
    304,129,891.40x = 94,607,514,567,855,808
  5. Step 5: Solve for x
    x = 94,607,514,567,855,808/304,129,891.40
  6. Step 6: Final answer
    x = 311,076,014.70

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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.