Home / 564,711,476.72-779,320,739.84-313,826,442.92

Finding the Fourth Proportional to 564,711,476.72, 779,320,739.84 and 313,826,442.92

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Solution

The fourth proportional to 564,711,476.72, 779,320,739.84 and 313,826,442.92 is: 433,090,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,711,476.72 : 779,320,739.84 = 313,826,442.92 : x
  2. Step 2: Convert to fraction form
    564,711,476.72/779,320,739.84 = 313,826,442.92/x
  3. Step 3: Cross multiply
    564,711,476.72x = 779,320,739.84 × 313,826,442.92
  4. Step 4: Simplify right side
    564,711,476.72x = 244,571,455,680,502,816
  5. Step 5: Solve for x
    x = 244,571,455,680,502,816/564,711,476.72
  6. Step 6: Final answer
    x = 433,090,995.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.