Home / 386,050,820.13-579,153,289.12-201,901,199.22

Finding the Fourth Proportional to 386,050,820.13, 579,153,289.12 and 201,901,199.22

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Solution

The fourth proportional to 386,050,820.13, 579,153,289.12 and 201,901,199.22 is: 302,892,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,050,820.13 : 579,153,289.12 = 201,901,199.22 : x
  2. Step 2: Convert to fraction form
    386,050,820.13/579,153,289.12 = 201,901,199.22/x
  3. Step 3: Cross multiply
    386,050,820.13x = 579,153,289.12 × 201,901,199.22
  4. Step 4: Simplify right side
    386,050,820.13x = 116,931,743,605,030,608
  5. Step 5: Solve for x
    x = 116,931,743,605,030,608/386,050,820.13
  6. Step 6: Final answer
    x = 302,892,099.97

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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.