Home / 7,018,868,119.64-9,686,272,250.77-3,847,060,163.42

Finding the Fourth Proportional to 7,018,868,119.64, 9,686,272,250.77 and 3,847,060,163.42

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Solution

The fourth proportional to 7,018,868,119.64, 9,686,272,250.77 and 3,847,060,163.42 is: 5,309,071,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,868,119.64 : 9,686,272,250.77 = 3,847,060,163.42 : x
  2. Step 2: Convert to fraction form
    7,018,868,119.64/9,686,272,250.77 = 3,847,060,163.42/x
  3. Step 3: Cross multiply
    7,018,868,119.64x = 9,686,272,250.77 × 3,847,060,163.42
  4. Step 4: Simplify right side
    7,018,868,119.64x = 37,263,672,107,955,642,368
  5. Step 5: Solve for x
    x = 37,263,672,107,955,642,368/7,018,868,119.64
  6. Step 6: Final answer
    x = 5,309,071,416.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.