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Finding the Fourth Proportional to 219,119,834,359.40, 328,679,751,539.10 and 219,119,834,359.40

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Solution

The fourth proportional to 219,119,834,359.40, 328,679,751,539.10 and 219,119,834,359.40 is: 328,679,751,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,119,834,359.40 : 328,679,751,539.10 = 219,119,834,359.40 : x
  2. Step 2: Convert to fraction form
    219,119,834,359.40/328,679,751,539.10 = 219,119,834,359.40/x
  3. Step 3: Cross multiply
    219,119,834,359.40x = 328,679,751,539.10 × 219,119,834,359.40
  4. Step 4: Simplify right side
    219,119,834,359.40x = 72,020,252,714,536,332,689,408
  5. Step 5: Solve for x
    x = 72,020,252,714,536,332,689,408/219,119,834,359.40
  6. Step 6: Final answer
    x = 328,679,751,539.10

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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.