Home / 1,377,971,255.70-2,066,956,883.55-1,257,440,436.90

Finding the Fourth Proportional to 1,377,971,255.70, 2,066,956,883.55 and 1,257,440,436.90

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Solution

The fourth proportional to 1,377,971,255.70, 2,066,956,883.55 and 1,257,440,436.90 is: 1,886,160,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,971,255.70 : 2,066,956,883.55 = 1,257,440,436.90 : x
  2. Step 2: Convert to fraction form
    1,377,971,255.70/2,066,956,883.55 = 1,257,440,436.90/x
  3. Step 3: Cross multiply
    1,377,971,255.70x = 2,066,956,883.55 × 1,257,440,436.90
  4. Step 4: Simplify right side
    1,377,971,255.70x = 2,599,075,166,704,574,464
  5. Step 5: Solve for x
    x = 2,599,075,166,704,574,464/1,377,971,255.70
  6. Step 6: Final answer
    x = 1,886,160,655.35

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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.