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Finding the Fourth Proportional to 56,685,376,018.40, 85,028,064,027.60 and 56,685,376,018.40

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Solution

The fourth proportional to 56,685,376,018.40, 85,028,064,027.60 and 56,685,376,018.40 is: 85,028,064,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,376,018.40 : 85,028,064,027.60 = 56,685,376,018.40 : x
  2. Step 2: Convert to fraction form
    56,685,376,018.40/85,028,064,027.60 = 56,685,376,018.40/x
  3. Step 3: Cross multiply
    56,685,376,018.40x = 85,028,064,027.60 × 56,685,376,018.40
  4. Step 4: Simplify right side
    56,685,376,018.40x = 4,819,847,781,521,097,228,288
  5. Step 5: Solve for x
    x = 4,819,847,781,521,097,228,288/56,685,376,018.40
  6. Step 6: Final answer
    x = 85,028,064,027.60

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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.