Home / 1,190,269,622.40-1,783,708,866.18-876,912,916.38

Finding the Fourth Proportional to 1,190,269,622.40, 1,783,708,866.18 and 876,912,916.38

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Solution

The fourth proportional to 1,190,269,622.40, 1,783,708,866.18 and 876,912,916.38 is: 1,314,120,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,269,622.40 : 1,783,708,866.18 = 876,912,916.38 : x
  2. Step 2: Convert to fraction form
    1,190,269,622.40/1,783,708,866.18 = 876,912,916.38/x
  3. Step 3: Cross multiply
    1,190,269,622.40x = 1,783,708,866.18 × 876,912,916.38
  4. Step 4: Simplify right side
    1,190,269,622.40x = 1,564,157,343,814,767,104
  5. Step 5: Solve for x
    x = 1,564,157,343,814,767,104/1,190,269,622.40
  6. Step 6: Final answer
    x = 1,314,120,191.24

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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.