Home / 10,399,205,459.84-15,608,895,150.20-5,018,632,661.53

Finding the Fourth Proportional to 10,399,205,459.84, 15,608,895,150.20 and 5,018,632,661.53

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Solution

The fourth proportional to 10,399,205,459.84, 15,608,895,150.20 and 5,018,632,661.53 is: 7,532,816,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399,205,459.84 : 15,608,895,150.20 = 5,018,632,661.53 : x
  2. Step 2: Convert to fraction form
    10,399,205,459.84/15,608,895,150.20 = 5,018,632,661.53/x
  3. Step 3: Cross multiply
    10,399,205,459.84x = 15,608,895,150.20 × 5,018,632,661.53
  4. Step 4: Simplify right side
    10,399,205,459.84x = 78,335,311,011,184,574,464
  5. Step 5: Solve for x
    x = 78,335,311,011,184,574,464/10,399,205,459.84
  6. Step 6: Final answer
    x = 7,532,816,936.23

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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.