Home / 890,111,750.40-1,335,167,625.60-758,597,817.60

Finding the Fourth Proportional to 890,111,750.40, 1,335,167,625.60 and 758,597,817.60

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Solution

The fourth proportional to 890,111,750.40, 1,335,167,625.60 and 758,597,817.60 is: 1,137,896,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,111,750.40 : 1,335,167,625.60 = 758,597,817.60 : x
  2. Step 2: Convert to fraction form
    890,111,750.40/1,335,167,625.60 = 758,597,817.60/x
  3. Step 3: Cross multiply
    890,111,750.40x = 1,335,167,625.60 × 758,597,817.60
  4. Step 4: Simplify right side
    890,111,750.40x = 1,012,855,246,910,333,824
  5. Step 5: Solve for x
    x = 1,012,855,246,910,333,824/890,111,750.40
  6. Step 6: Final answer
    x = 1,137,896,726.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.