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Finding the Fourth Proportional to 1,488,978,025.90, 2,233,467,038.85 and 999,202,000.30

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Solution

The fourth proportional to 1,488,978,025.90, 2,233,467,038.85 and 999,202,000.30 is: 1,498,803,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,978,025.90 : 2,233,467,038.85 = 999,202,000.30 : x
  2. Step 2: Convert to fraction form
    1,488,978,025.90/2,233,467,038.85 = 999,202,000.30/x
  3. Step 3: Cross multiply
    1,488,978,025.90x = 2,233,467,038.85 × 999,202,000.30
  4. Step 4: Simplify right side
    1,488,978,025.90x = 2,231,684,732,823,037,696
  5. Step 5: Solve for x
    x = 2,231,684,732,823,037,696/1,488,978,025.90
  6. Step 6: Final answer
    x = 1,498,803,000.45

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Double scale
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Similar ratio
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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.