Home / 507,442,900.92-761,167,714.40-196,585,040.86

Finding the Fourth Proportional to 507,442,900.92, 761,167,714.40 and 196,585,040.86

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Solution

The fourth proportional to 507,442,900.92, 761,167,714.40 and 196,585,040.86 is: 294,878,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,442,900.92 : 761,167,714.40 = 196,585,040.86 : x
  2. Step 2: Convert to fraction form
    507,442,900.92/761,167,714.40 = 196,585,040.86/x
  3. Step 3: Cross multiply
    507,442,900.92x = 761,167,714.40 × 196,585,040.86
  4. Step 4: Simplify right side
    507,442,900.92x = 149,634,186,239,320,288
  5. Step 5: Solve for x
    x = 149,634,186,239,320,288/507,442,900.92
  6. Step 6: Final answer
    x = 294,878,864.14

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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.