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Finding the Fourth Proportional to 996,819,354.30, 1,495,229,031.45 and 996,819,354.30

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Solution

The fourth proportional to 996,819,354.30, 1,495,229,031.45 and 996,819,354.30 is: 1,495,229,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,819,354.30 : 1,495,229,031.45 = 996,819,354.30 : x
  2. Step 2: Convert to fraction form
    996,819,354.30/1,495,229,031.45 = 996,819,354.30/x
  3. Step 3: Cross multiply
    996,819,354.30x = 1,495,229,031.45 × 996,819,354.30
  4. Step 4: Simplify right side
    996,819,354.30x = 1,490,473,237,660,603,392
  5. Step 5: Solve for x
    x = 1,490,473,237,660,603,392/996,819,354.30
  6. Step 6: Final answer
    x = 1,495,229,031.45

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Double scale
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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.