Home / 1,429,990,041.38-2,144,991,912.68-434,019,722.52

Finding the Fourth Proportional to 1,429,990,041.38, 2,144,991,912.68 and 434,019,722.52

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Solution

The fourth proportional to 1,429,990,041.38, 2,144,991,912.68 and 434,019,722.52 is: 651,031,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,990,041.38 : 2,144,991,912.68 = 434,019,722.52 : x
  2. Step 2: Convert to fraction form
    1,429,990,041.38/2,144,991,912.68 = 434,019,722.52/x
  3. Step 3: Cross multiply
    1,429,990,041.38x = 2,144,991,912.68 × 434,019,722.52
  4. Step 4: Simplify right side
    1,429,990,041.38x = 930,968,794,749,017,600
  5. Step 5: Solve for x
    x = 930,968,794,749,017,600/1,429,990,041.38
  6. Step 6: Final answer
    x = 651,031,663.03

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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.