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Finding the Fourth Proportional to 590,491,628.80, 885,737,443.20 and 587,090,406.40

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Solution

The fourth proportional to 590,491,628.80, 885,737,443.20 and 587,090,406.40 is: 880,635,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,491,628.80 : 885,737,443.20 = 587,090,406.40 : x
  2. Step 2: Convert to fraction form
    590,491,628.80/885,737,443.20 = 587,090,406.40/x
  3. Step 3: Cross multiply
    590,491,628.80x = 885,737,443.20 × 587,090,406.40
  4. Step 4: Simplify right side
    590,491,628.80x = 520,007,955,491,984,896
  5. Step 5: Solve for x
    x = 520,007,955,491,984,896/590,491,628.80
  6. Step 6: Final answer
    x = 880,635,609.60

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1.5x scale

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.