Home / 1,167,494,654.30-1,611,142,606.39-638,858,624.87

Finding the Fourth Proportional to 1,167,494,654.30, 1,611,142,606.39 and 638,858,624.87

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Solution

The fourth proportional to 1,167,494,654.30, 1,611,142,606.39 and 638,858,624.87 is: 881,624,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,494,654.30 : 1,611,142,606.39 = 638,858,624.87 : x
  2. Step 2: Convert to fraction form
    1,167,494,654.30/1,611,142,606.39 = 638,858,624.87/x
  3. Step 3: Cross multiply
    1,167,494,654.30x = 1,611,142,606.39 × 638,858,624.87
  4. Step 4: Simplify right side
    1,167,494,654.30x = 1,029,292,349,980,535,936
  5. Step 5: Solve for x
    x = 1,029,292,349,980,535,936/1,167,494,654.30
  6. Step 6: Final answer
    x = 881,624,893.26

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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.