Home / 1,889,572,021.20-2,834,358,031.80-1,307,962,990.80

Finding the Fourth Proportional to 1,889,572,021.20, 2,834,358,031.80 and 1,307,962,990.80

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Solution

The fourth proportional to 1,889,572,021.20, 2,834,358,031.80 and 1,307,962,990.80 is: 1,961,944,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,572,021.20 : 2,834,358,031.80 = 1,307,962,990.80 : x
  2. Step 2: Convert to fraction form
    1,889,572,021.20/2,834,358,031.80 = 1,307,962,990.80/x
  3. Step 3: Cross multiply
    1,889,572,021.20x = 2,834,358,031.80 × 1,307,962,990.80
  4. Step 4: Simplify right side
    1,889,572,021.20x = 3,707,235,408,271,129,600
  5. Step 5: Solve for x
    x = 3,707,235,408,271,129,600/1,889,572,021.20
  6. Step 6: Final answer
    x = 1,961,944,486.20

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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.