Home / 1,323,139,625.80-1,984,709,438.70-886,649,417.80

Finding the Fourth Proportional to 1,323,139,625.80, 1,984,709,438.70 and 886,649,417.80

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Solution

The fourth proportional to 1,323,139,625.80, 1,984,709,438.70 and 886,649,417.80 is: 1,329,974,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,139,625.80 : 1,984,709,438.70 = 886,649,417.80 : x
  2. Step 2: Convert to fraction form
    1,323,139,625.80/1,984,709,438.70 = 886,649,417.80/x
  3. Step 3: Cross multiply
    1,323,139,625.80x = 1,984,709,438.70 × 886,649,417.80
  4. Step 4: Simplify right side
    1,323,139,625.80x = 1,759,741,468,325,519,616
  5. Step 5: Solve for x
    x = 1,759,741,468,325,519,616/1,323,139,625.80
  6. Step 6: Final answer
    x = 1,329,974,126.70

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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.