Home / 14,198,945,980.80-21,257,604,302.40-8,688,965,692.80

Finding the Fourth Proportional to 14,198,945,980.80, 21,257,604,302.40 and 8,688,965,692.80

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Solution

The fourth proportional to 14,198,945,980.80, 21,257,604,302.40 and 8,688,965,692.80 is: 13,008,472,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198,945,980.80 : 21,257,604,302.40 = 8,688,965,692.80 : x
  2. Step 2: Convert to fraction form
    14,198,945,980.80/21,257,604,302.40 = 8,688,965,692.80/x
  3. Step 3: Cross multiply
    14,198,945,980.80x = 21,257,604,302.40 × 8,688,965,692.80
  4. Step 4: Simplify right side
    14,198,945,980.80x = 184,706,594,494,671,257,600
  5. Step 5: Solve for x
    x = 184,706,594,494,671,257,600/14,198,945,980.80
  6. Step 6: Final answer
    x = 13,008,472,230.58

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1.5x scale

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.