Home / 833,289,659.60-1,249,938,666.39-211,505,076.43

Finding the Fourth Proportional to 833,289,659.60, 1,249,938,666.39 and 211,505,076.43

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Solution

The fourth proportional to 833,289,659.60, 1,249,938,666.39 and 211,505,076.43 is: 317,258,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,289,659.60 : 1,249,938,666.39 = 211,505,076.43 : x
  2. Step 2: Convert to fraction form
    833,289,659.60/1,249,938,666.39 = 211,505,076.43/x
  3. Step 3: Cross multiply
    833,289,659.60x = 1,249,938,666.39 × 211,505,076.43
  4. Step 4: Simplify right side
    833,289,659.60x = 264,368,373,172,311,584
  5. Step 5: Solve for x
    x = 264,368,373,172,311,584/833,289,659.60
  6. Step 6: Final answer
    x = 317,258,674.85

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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.