Home / 1,167,692,457.60-1,611,416,219.40-639,056,134.44

Finding the Fourth Proportional to 1,167,692,457.60, 1,611,416,219.40 and 639,056,134.44

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Solution

The fourth proportional to 1,167,692,457.60, 1,611,416,219.40 and 639,056,134.44 is: 881,897,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,692,457.60 : 1,611,416,219.40 = 639,056,134.44 : x
  2. Step 2: Convert to fraction form
    1,167,692,457.60/1,611,416,219.40 = 639,056,134.44/x
  3. Step 3: Cross multiply
    1,167,692,457.60x = 1,611,416,219.40 × 639,056,134.44
  4. Step 4: Simplify right side
    1,167,692,457.60x = 1,029,785,420,143,683,072
  5. Step 5: Solve for x
    x = 1,029,785,420,143,683,072/1,167,692,457.60
  6. Step 6: Final answer
    x = 881,897,809.17

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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.