Home / 56,679,088,181.78-85,018,950,093.99-18,905,559,816.62

Finding the Fourth Proportional to 56,679,088,181.78, 85,018,950,093.99 and 18,905,559,816.62

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Solution

The fourth proportional to 56,679,088,181.78, 85,018,950,093.99 and 18,905,559,816.62 is: 28,358,445,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679,088,181.78 : 85,018,950,093.99 = 18,905,559,816.62 : x
  2. Step 2: Convert to fraction form
    56,679,088,181.78/85,018,950,093.99 = 18,905,559,816.62/x
  3. Step 3: Cross multiply
    56,679,088,181.78x = 85,018,950,093.99 × 18,905,559,816.62
  4. Step 4: Simplify right side
    56,679,088,181.78x = 1,607,330,846,548,158,578,688
  5. Step 5: Solve for x
    x = 1,607,330,846,548,158,578,688/56,679,088,181.78
  6. Step 6: Final answer
    x = 28,358,445,735.63

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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.