Home / 10,497,626,912.80-15,748,707,850.80-3,137,381,639.20

Finding the Fourth Proportional to 10,497,626,912.80, 15,748,707,850.80 and 3,137,381,639.20

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Solution

The fourth proportional to 10,497,626,912.80, 15,748,707,850.80 and 3,137,381,639.20 is: 4,706,750,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497,626,912.80 : 15,748,707,850.80 = 3,137,381,639.20 : x
  2. Step 2: Convert to fraction form
    10,497,626,912.80/15,748,707,850.80 = 3,137,381,639.20/x
  3. Step 3: Cross multiply
    10,497,626,912.80x = 15,748,707,850.80 × 3,137,381,639.20
  4. Step 4: Simplify right side
    10,497,626,912.80x = 49,409,706,852,224,811,008
  5. Step 5: Solve for x
    x = 49,409,706,852,224,811,008/10,497,626,912.80
  6. Step 6: Final answer
    x = 4,706,750,131.50

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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.