Home / 28,109,265,015.86-42,162,412,536.28-9,220,064,531.83

Finding the Fourth Proportional to 28,109,265,015.86, 42,162,412,536.28 and 9,220,064,531.83

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Solution

The fourth proportional to 28,109,265,015.86, 42,162,412,536.28 and 9,220,064,531.83 is: 13,829,609,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,109,265,015.86 : 42,162,412,536.28 = 9,220,064,531.83 : x
  2. Step 2: Convert to fraction form
    28,109,265,015.86/42,162,412,536.28 = 9,220,064,531.83/x
  3. Step 3: Cross multiply
    28,109,265,015.86x = 42,162,412,536.28 × 9,220,064,531.83
  4. Step 4: Simplify right side
    28,109,265,015.86x = 388,740,164,402,256,281,600
  5. Step 5: Solve for x
    x = 388,740,164,402,256,281,600/28,109,265,015.86
  6. Step 6: Final answer
    x = 13,829,609,709.93

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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.