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Finding the Fourth Proportional to 559,872,003.80, 839,808,005.70 and 554,497,232.60

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Solution

The fourth proportional to 559,872,003.80, 839,808,005.70 and 554,497,232.60 is: 831,745,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,003.80 : 839,808,005.70 = 554,497,232.60 : x
  2. Step 2: Convert to fraction form
    559,872,003.80/839,808,005.70 = 554,497,232.60/x
  3. Step 3: Cross multiply
    559,872,003.80x = 839,808,005.70 × 554,497,232.60
  4. Step 4: Simplify right side
    559,872,003.80x = 465,671,215,075,975,104
  5. Step 5: Solve for x
    x = 465,671,215,075,975,104/559,872,003.80
  6. Step 6: Final answer
    x = 831,745,848.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.