Home / 559,318,713.84-771,905,777.76-308,472,168.60

Finding the Fourth Proportional to 559,318,713.84, 771,905,777.76 and 308,472,168.60

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Solution

The fourth proportional to 559,318,713.84, 771,905,777.76 and 308,472,168.60 is: 425,716,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,318,713.84 : 771,905,777.76 = 308,472,168.60 : x
  2. Step 2: Convert to fraction form
    559,318,713.84/771,905,777.76 = 308,472,168.60/x
  3. Step 3: Cross multiply
    559,318,713.84x = 771,905,777.76 × 308,472,168.60
  4. Step 4: Simplify right side
    559,318,713.84x = 238,111,449,220,496,864
  5. Step 5: Solve for x
    x = 238,111,449,220,496,864/559,318,713.84
  6. Step 6: Final answer
    x = 425,716,936.21

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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.