Home / 7,210,817,999.10-10,816,226,998.65-6,556,507,839.90

Finding the Fourth Proportional to 7,210,817,999.10, 10,816,226,998.65 and 6,556,507,839.90

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Solution

The fourth proportional to 7,210,817,999.10, 10,816,226,998.65 and 6,556,507,839.90 is: 9,834,761,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,817,999.10 : 10,816,226,998.65 = 6,556,507,839.90 : x
  2. Step 2: Convert to fraction form
    7,210,817,999.10/10,816,226,998.65 = 6,556,507,839.90/x
  3. Step 3: Cross multiply
    7,210,817,999.10x = 10,816,226,998.65 × 6,556,507,839.90
  4. Step 4: Simplify right side
    7,210,817,999.10x = 70,916,677,114,786,766,848
  5. Step 5: Solve for x
    x = 70,916,677,114,786,766,848/7,210,817,999.10
  6. Step 6: Final answer
    x = 9,834,761,759.85

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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.