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Finding the Fourth Proportional to 559,808,019.60, 839,712,029.40 and 356,238,560.40

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Solution

The fourth proportional to 559,808,019.60, 839,712,029.40 and 356,238,560.40 is: 534,357,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,808,019.60 : 839,712,029.40 = 356,238,560.40 : x
  2. Step 2: Convert to fraction form
    559,808,019.60/839,712,029.40 = 356,238,560.40/x
  3. Step 3: Cross multiply
    559,808,019.60x = 839,712,029.40 × 356,238,560.40
  4. Step 4: Simplify right side
    559,808,019.60x = 299,137,804,504,018,432
  5. Step 5: Solve for x
    x = 299,137,804,504,018,432/559,808,019.60
  6. Step 6: Final answer
    x = 534,357,840.60

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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.