Home / 3,947,688,777.95-5,921,487,515.10-959,768,790.87

Finding the Fourth Proportional to 3,947,688,777.95, 5,921,487,515.10 and 959,768,790.87

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Solution

The fourth proportional to 3,947,688,777.95, 5,921,487,515.10 and 959,768,790.87 is: 1,439,642,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,688,777.95 : 5,921,487,515.10 = 959,768,790.87 : x
  2. Step 2: Convert to fraction form
    3,947,688,777.95/5,921,487,515.10 = 959,768,790.87/x
  3. Step 3: Cross multiply
    3,947,688,777.95x = 5,921,487,515.10 × 959,768,790.87
  4. Step 4: Simplify right side
    3,947,688,777.95x = 5,683,258,912,519,328,768
  5. Step 5: Solve for x
    x = 5,683,258,912,519,328,768/3,947,688,777.95
  6. Step 6: Final answer
    x = 1,439,642,087.36

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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.