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Finding the Fourth Proportional to 564,906,057.74, 779,579,682.14 and 310,598,159.36

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Solution

The fourth proportional to 564,906,057.74, 779,579,682.14 and 310,598,159.36 is: 428,630,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,906,057.74 : 779,579,682.14 = 310,598,159.36 : x
  2. Step 2: Convert to fraction form
    564,906,057.74/779,579,682.14 = 310,598,159.36/x
  3. Step 3: Cross multiply
    564,906,057.74x = 779,579,682.14 × 310,598,159.36
  4. Step 4: Simplify right side
    564,906,057.74x = 242,136,014,347,137,888
  5. Step 5: Solve for x
    x = 242,136,014,347,137,888/564,906,057.74
  6. Step 6: Final answer
    x = 428,630,585.62

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