Home / 564,712,189.56-779,321,724.66-313,827,157.08

Finding the Fourth Proportional to 564,712,189.56, 779,321,724.66 and 313,827,157.08

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Solution

The fourth proportional to 564,712,189.56, 779,321,724.66 and 313,827,157.08 is: 433,091,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,712,189.56 : 779,321,724.66 = 313,827,157.08 : x
  2. Step 2: Convert to fraction form
    564,712,189.56/779,321,724.66 = 313,827,157.08/x
  3. Step 3: Cross multiply
    564,712,189.56x = 779,321,724.66 × 313,827,157.08
  4. Step 4: Simplify right side
    564,712,189.56x = 244,572,321,300,730,304
  5. Step 5: Solve for x
    x = 244,572,321,300,730,304/564,712,189.56
  6. Step 6: Final answer
    x = 433,091,981.76

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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.