Home / 7,213,821,211.40-10,820,731,817.10-7,213,821,211.40

Finding the Fourth Proportional to 7,213,821,211.40, 10,820,731,817.10 and 7,213,821,211.40

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Solution

The fourth proportional to 7,213,821,211.40, 10,820,731,817.10 and 7,213,821,211.40 is: 10,820,731,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213,821,211.40 : 10,820,731,817.10 = 7,213,821,211.40 : x
  2. Step 2: Convert to fraction form
    7,213,821,211.40/10,820,731,817.10 = 7,213,821,211.40/x
  3. Step 3: Cross multiply
    7,213,821,211.40x = 10,820,731,817.10 × 7,213,821,211.40
  4. Step 4: Simplify right side
    7,213,821,211.40x = 78,058,824,705,066,844,160
  5. Step 5: Solve for x
    x = 78,058,824,705,066,844,160/7,213,821,211.40
  6. Step 6: Final answer
    x = 10,820,731,817.10

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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.