Home / 1,158,231,715.80-1,737,347,573.70-698,688,778.20

Finding the Fourth Proportional to 1,158,231,715.80, 1,737,347,573.70 and 698,688,778.20

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Solution

The fourth proportional to 1,158,231,715.80, 1,737,347,573.70 and 698,688,778.20 is: 1,048,033,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,231,715.80 : 1,737,347,573.70 = 698,688,778.20 : x
  2. Step 2: Convert to fraction form
    1,158,231,715.80/1,737,347,573.70 = 698,688,778.20/x
  3. Step 3: Cross multiply
    1,158,231,715.80x = 1,737,347,573.70 × 698,688,778.20
  4. Step 4: Simplify right side
    1,158,231,715.80x = 1,213,865,253,577,187,584
  5. Step 5: Solve for x
    x = 1,213,865,253,577,187,584/1,158,231,715.80
  6. Step 6: Final answer
    x = 1,048,033,167.30

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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.