Home / 564,711,939.16-779,321,378.10-313,826,904.88

Finding the Fourth Proportional to 564,711,939.16, 779,321,378.10 and 313,826,904.88

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Solution

The fourth proportional to 564,711,939.16, 779,321,378.10 and 313,826,904.88 is: 433,091,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,711,939.16 : 779,321,378.10 = 313,826,904.88 : x
  2. Step 2: Convert to fraction form
    564,711,939.16/779,321,378.10 = 313,826,904.88/x
  3. Step 3: Cross multiply
    564,711,939.16x = 779,321,378.10 × 313,826,904.88
  4. Step 4: Simplify right side
    564,711,939.16x = 244,572,015,995,939,232
  5. Step 5: Solve for x
    x = 244,572,015,995,939,232/564,711,939.16
  6. Step 6: Final answer
    x = 433,091,633.16

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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.