Home / 1,158,969,817.40-1,738,454,726.10-698,671,052.60

Finding the Fourth Proportional to 1,158,969,817.40, 1,738,454,726.10 and 698,671,052.60

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Solution

The fourth proportional to 1,158,969,817.40, 1,738,454,726.10 and 698,671,052.60 is: 1,048,006,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,969,817.40 : 1,738,454,726.10 = 698,671,052.60 : x
  2. Step 2: Convert to fraction form
    1,158,969,817.40/1,738,454,726.10 = 698,671,052.60/x
  3. Step 3: Cross multiply
    1,158,969,817.40x = 1,738,454,726.10 × 698,671,052.60
  4. Step 4: Simplify right side
    1,158,969,817.40x = 1,214,607,993,381,731,584
  5. Step 5: Solve for x
    x = 1,214,607,993,381,731,584/1,158,969,817.40
  6. Step 6: Final answer
    x = 1,048,006,578.90

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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.