Home / 683,311,009.14-942,964,263.90-370,037,955.78

Finding the Fourth Proportional to 683,311,009.14, 942,964,263.90 and 370,037,955.78

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Solution

The fourth proportional to 683,311,009.14, 942,964,263.90 and 370,037,955.78 is: 510,649,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,311,009.14 : 942,964,263.90 = 370,037,955.78 : x
  2. Step 2: Convert to fraction form
    683,311,009.14/942,964,263.90 = 370,037,955.78/x
  3. Step 3: Cross multiply
    683,311,009.14x = 942,964,263.90 × 370,037,955.78
  4. Step 4: Simplify right side
    683,311,009.14x = 348,932,568,587,148,416
  5. Step 5: Solve for x
    x = 348,932,568,587,148,416/683,311,009.14
  6. Step 6: Final answer
    x = 510,649,709.90

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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.