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Finding the Fourth Proportional to 590,978,666.90, 886,468,000.35 and 318,880,874.90

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Solution

The fourth proportional to 590,978,666.90, 886,468,000.35 and 318,880,874.90 is: 478,321,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,978,666.90 : 886,468,000.35 = 318,880,874.90 : x
  2. Step 2: Convert to fraction form
    590,978,666.90/886,468,000.35 = 318,880,874.90/x
  3. Step 3: Cross multiply
    590,978,666.90x = 886,468,000.35 × 318,880,874.90
  4. Step 4: Simplify right side
    590,978,666.90x = 282,677,691,522,461,504
  5. Step 5: Solve for x
    x = 282,677,691,522,461,504/590,978,666.90
  6. Step 6: Final answer
    x = 478,321,312.35

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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.