Home / 56,852,993,805.90-78,459,583,088.04-31,478,467,379.70

Finding the Fourth Proportional to 56,852,993,805.90, 78,459,583,088.04 and 31,478,467,379.70

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Solution

The fourth proportional to 56,852,993,805.90, 78,459,583,088.04 and 31,478,467,379.70 is: 43,441,642,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,852,993,805.90 : 78,459,583,088.04 = 31,478,467,379.70 : x
  2. Step 2: Convert to fraction form
    56,852,993,805.90/78,459,583,088.04 = 31,478,467,379.70/x
  3. Step 3: Cross multiply
    56,852,993,805.90x = 78,459,583,088.04 × 31,478,467,379.70
  4. Step 4: Simplify right side
    56,852,993,805.90x = 2,469,787,426,861,728,923,648
  5. Step 5: Solve for x
    x = 2,469,787,426,861,728,923,648/56,852,993,805.90
  6. Step 6: Final answer
    x = 43,441,642,410.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.