Home / 304,543,118.48-456,760,678.64-138,507,732.86

Finding the Fourth Proportional to 304,543,118.48, 456,760,678.64 and 138,507,732.86

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Solution

The fourth proportional to 304,543,118.48, 456,760,678.64 and 138,507,732.86 is: 207,737,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,543,118.48 : 456,760,678.64 = 138,507,732.86 : x
  2. Step 2: Convert to fraction form
    304,543,118.48/456,760,678.64 = 138,507,732.86/x
  3. Step 3: Cross multiply
    304,543,118.48x = 456,760,678.64 × 138,507,732.86
  4. Step 4: Simplify right side
    304,543,118.48x = 63,264,886,055,737,616
  5. Step 5: Solve for x
    x = 63,264,886,055,737,616/304,543,118.48
  6. Step 6: Final answer
    x = 207,737,040.23

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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.