Home / 4,749,037,138.99-7,124,650,099.76-1,643,619,818.35

Finding the Fourth Proportional to 4,749,037,138.99, 7,124,650,099.76 and 1,643,619,818.35

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Solution

The fourth proportional to 4,749,037,138.99, 7,124,650,099.76 and 1,643,619,818.35 is: 2,465,808,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749,037,138.99 : 7,124,650,099.76 = 1,643,619,818.35 : x
  2. Step 2: Convert to fraction form
    4,749,037,138.99/7,124,650,099.76 = 1,643,619,818.35/x
  3. Step 3: Cross multiply
    4,749,037,138.99x = 7,124,650,099.76 × 1,643,619,818.35
  4. Step 4: Simplify right side
    4,749,037,138.99x = 11,710,216,102,774,839,296
  5. Step 5: Solve for x
    x = 11,710,216,102,774,839,296/4,749,037,138.99
  6. Step 6: Final answer
    x = 2,465,808,491.29

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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.