Home / 28,109,265,012.59-42,162,412,531.36-9,220,064,528.58

Finding the Fourth Proportional to 28,109,265,012.59, 42,162,412,531.36 and 9,220,064,528.58

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Solution

The fourth proportional to 28,109,265,012.59, 42,162,412,531.36 and 9,220,064,528.58 is: 13,829,609,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,109,265,012.59 : 42,162,412,531.36 = 9,220,064,528.58 : x
  2. Step 2: Convert to fraction form
    28,109,265,012.59/42,162,412,531.36 = 9,220,064,528.58/x
  3. Step 3: Cross multiply
    28,109,265,012.59x = 42,162,412,531.36 × 9,220,064,528.58
  4. Step 4: Simplify right side
    28,109,265,012.59x = 388,740,164,219,749,203,968
  5. Step 5: Solve for x
    x = 388,740,164,219,749,203,968/28,109,265,012.59
  6. Step 6: Final answer
    x = 13,829,609,705.04

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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.