Home / 360,423,040.90-540,634,561.35-207,368,032.90

Finding the Fourth Proportional to 360,423,040.90, 540,634,561.35 and 207,368,032.90

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Solution

The fourth proportional to 360,423,040.90, 540,634,561.35 and 207,368,032.90 is: 311,052,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,423,040.90 : 540,634,561.35 = 207,368,032.90 : x
  2. Step 2: Convert to fraction form
    360,423,040.90/540,634,561.35 = 207,368,032.90/x
  3. Step 3: Cross multiply
    360,423,040.90x = 540,634,561.35 × 207,368,032.90
  4. Step 4: Simplify right side
    360,423,040.90x = 112,110,325,504,903,872
  5. Step 5: Solve for x
    x = 112,110,325,504,903,872/360,423,040.90
  6. Step 6: Final answer
    x = 311,052,049.35

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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.