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Finding the Fourth Proportional to 1,898,423,915.73, 2,847,700,455.06 and 901,930,663.30

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Solution

The fourth proportional to 1,898,423,915.73, 2,847,700,455.06 and 901,930,663.30 is: 1,352,926,677.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,423,915.73 : 2,847,700,455.06 = 901,930,663.30 : x
  2. Step 2: Convert to fraction form
    1,898,423,915.73/2,847,700,455.06 = 901,930,663.30/x
  3. Step 3: Cross multiply
    1,898,423,915.73x = 2,847,700,455.06 × 901,930,663.30
  4. Step 4: Simplify right side
    1,898,423,915.73x = 2,568,428,360,311,977,472
  5. Step 5: Solve for x
    x = 2,568,428,360,311,977,472/1,898,423,915.73
  6. Step 6: Final answer
    x = 1,352,926,677.25

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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.