Home / 12,908,695,136.20-17,813,818,209-7,193,220,458.56

Finding the Fourth Proportional to 12,908,695,136.20, 17,813,818,209 and 7,193,220,458.56

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Solution

The fourth proportional to 12,908,695,136.20, 17,813,818,209 and 7,193,220,458.56 is: 9,926,543,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908,695,136.20 : 17,813,818,209 = 7,193,220,458.56 : x
  2. Step 2: Convert to fraction form
    12,908,695,136.20/17,813,818,209 = 7,193,220,458.56/x
  3. Step 3: Cross multiply
    12,908,695,136.20x = 17,813,818,209 × 7,193,220,458.56
  4. Step 4: Simplify right side
    12,908,695,136.20x = 128,138,721,586,047,467,520
  5. Step 5: Solve for x
    x = 128,138,721,586,047,467,520/12,908,695,136.20
  6. Step 6: Final answer
    x = 9,926,543,328.67

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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.