Home / 2,508,429,003.93-3,460,784,738.82-1,421,994,338.89

Finding the Fourth Proportional to 2,508,429,003.93, 3,460,784,738.82 and 1,421,994,338.89

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Solution

The fourth proportional to 2,508,429,003.93, 3,460,784,738.82 and 1,421,994,338.89 is: 1,961,871,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508,429,003.93 : 3,460,784,738.82 = 1,421,994,338.89 : x
  2. Step 2: Convert to fraction form
    2,508,429,003.93/3,460,784,738.82 = 1,421,994,338.89/x
  3. Step 3: Cross multiply
    2,508,429,003.93x = 3,460,784,738.82 × 1,421,994,338.89
  4. Step 4: Simplify right side
    2,508,429,003.93x = 4,921,216,306,718,947,328
  5. Step 5: Solve for x
    x = 4,921,216,306,718,947,328/2,508,429,003.93
  6. Step 6: Final answer
    x = 1,961,871,872.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.