Home / 360,423,039.40-540,634,559.10-207,368,031.40

Finding the Fourth Proportional to 360,423,039.40, 540,634,559.10 and 207,368,031.40

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Solution

The fourth proportional to 360,423,039.40, 540,634,559.10 and 207,368,031.40 is: 311,052,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,423,039.40 : 540,634,559.10 = 207,368,031.40 : x
  2. Step 2: Convert to fraction form
    360,423,039.40/540,634,559.10 = 207,368,031.40/x
  3. Step 3: Cross multiply
    360,423,039.40x = 540,634,559.10 × 207,368,031.40
  4. Step 4: Simplify right side
    360,423,039.40x = 112,110,324,227,373,968
  5. Step 5: Solve for x
    x = 112,110,324,227,373,968/360,423,039.40
  6. Step 6: Final answer
    x = 311,052,047.10

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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.