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Finding the Fourth Proportional to 624,805,052.77, 862,237,973.01 and 356,916,347.34

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Solution

The fourth proportional to 624,805,052.77, 862,237,973.01 and 356,916,347.34 is: 492,548,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,805,052.77 : 862,237,973.01 = 356,916,347.34 : x
  2. Step 2: Convert to fraction form
    624,805,052.77/862,237,973.01 = 356,916,347.34/x
  3. Step 3: Cross multiply
    624,805,052.77x = 862,237,973.01 × 356,916,347.34
  4. Step 4: Simplify right side
    624,805,052.77x = 307,746,827,864,574,656
  5. Step 5: Solve for x
    x = 307,746,827,864,574,656/624,805,052.77
  6. Step 6: Final answer
    x = 492,548,558.15

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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.