Home / 28,581,748,028.92-42,865,494,129.42-8,409,159,823.24

Finding the Fourth Proportional to 28,581,748,028.92, 42,865,494,129.42 and 8,409,159,823.24

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Solution

The fourth proportional to 28,581,748,028.92, 42,865,494,129.42 and 8,409,159,823.24 is: 12,611,642,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581,748,028.92 : 42,865,494,129.42 = 8,409,159,823.24 : x
  2. Step 2: Convert to fraction form
    28,581,748,028.92/42,865,494,129.42 = 8,409,159,823.24/x
  3. Step 3: Cross multiply
    28,581,748,028.92x = 42,865,494,129.42 × 8,409,159,823.24
  4. Step 4: Simplify right side
    28,581,748,028.92x = 360,462,791,036,448,735,232
  5. Step 5: Solve for x
    x = 360,462,791,036,448,735,232/28,581,748,028.92
  6. Step 6: Final answer
    x = 12,611,642,600.44

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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.