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Finding the Fourth Proportional to 2,970,299,426.45, 4,455,449,139.68 and 2,970,299,426.45

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Solution

The fourth proportional to 2,970,299,426.45, 4,455,449,139.68 and 2,970,299,426.45 is: 4,455,449,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,299,426.45 : 4,455,449,139.68 = 2,970,299,426.45 : x
  2. Step 2: Convert to fraction form
    2,970,299,426.45/4,455,449,139.68 = 2,970,299,426.45/x
  3. Step 3: Cross multiply
    2,970,299,426.45x = 4,455,449,139.68 × 2,970,299,426.45
  4. Step 4: Simplify right side
    2,970,299,426.45x = 13,234,018,024,168,650,752
  5. Step 5: Solve for x
    x = 13,234,018,024,168,650,752/2,970,299,426.45
  6. Step 6: Final answer
    x = 4,455,449,139.68

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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.