Home / 13,283,911,195.66-18,331,880,354.31-7,262,429,573.98

Finding the Fourth Proportional to 13,283,911,195.66, 18,331,880,354.31 and 7,262,429,573.98

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Solution

The fourth proportional to 13,283,911,195.66, 18,331,880,354.31 and 7,262,429,573.98 is: 10,022,198,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,911,195.66 : 18,331,880,354.31 = 7,262,429,573.98 : x
  2. Step 2: Convert to fraction form
    13,283,911,195.66/18,331,880,354.31 = 7,262,429,573.98/x
  3. Step 3: Cross multiply
    13,283,911,195.66x = 18,331,880,354.31 × 7,262,429,573.98
  4. Step 4: Simplify right side
    13,283,911,195.66x = 133,133,990,031,803,908,096
  5. Step 5: Solve for x
    x = 133,133,990,031,803,908,096/13,283,911,195.66
  6. Step 6: Final answer
    x = 10,022,198,136.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.