Home / 1,419,957,420-2,129,835,114.90-437,281,491.48

Finding the Fourth Proportional to 1,419,957,420, 2,129,835,114.90 and 437,281,491.48

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Solution

The fourth proportional to 1,419,957,420, 2,129,835,114.90 and 437,281,491.48 is: 655,891,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,957,420 : 2,129,835,114.90 = 437,281,491.48 : x
  2. Step 2: Convert to fraction form
    1,419,957,420/2,129,835,114.90 = 437,281,491.48/x
  3. Step 3: Cross multiply
    1,419,957,420x = 2,129,835,114.90 × 437,281,491.48
  4. Step 4: Simplify right side
    1,419,957,420x = 931,337,475,649,949,312
  5. Step 5: Solve for x
    x = 931,337,475,649,949,312/1,419,957,420
  6. Step 6: Final answer
    x = 655,891,129.22

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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.