Home / 56,871,178,990.84-78,482,489,183.94-31,496,118,355.72

Finding the Fourth Proportional to 56,871,178,990.84, 78,482,489,183.94 and 31,496,118,355.72

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Solution

The fourth proportional to 56,871,178,990.84, 78,482,489,183.94 and 31,496,118,355.72 is: 43,464,788,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,871,178,990.84 : 78,482,489,183.94 = 31,496,118,355.72 : x
  2. Step 2: Convert to fraction form
    56,871,178,990.84/78,482,489,183.94 = 31,496,118,355.72/x
  3. Step 3: Cross multiply
    56,871,178,990.84x = 78,482,489,183.94 × 31,496,118,355.72
  4. Step 4: Simplify right side
    56,871,178,990.84x = 2,471,893,768,188,889,399,296
  5. Step 5: Solve for x
    x = 2,471,893,768,188,889,399,296/56,871,178,990.84
  6. Step 6: Final answer
    x = 43,464,788,528.25

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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.