Home / 7,926,584,842.80-11,889,877,264.20-5,314,446,039.60

Finding the Fourth Proportional to 7,926,584,842.80, 11,889,877,264.20 and 5,314,446,039.60

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Solution

The fourth proportional to 7,926,584,842.80, 11,889,877,264.20 and 5,314,446,039.60 is: 7,971,669,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926,584,842.80 : 11,889,877,264.20 = 5,314,446,039.60 : x
  2. Step 2: Convert to fraction form
    7,926,584,842.80/11,889,877,264.20 = 5,314,446,039.60/x
  3. Step 3: Cross multiply
    7,926,584,842.80x = 11,889,877,264.20 × 5,314,446,039.60
  4. Step 4: Simplify right side
    7,926,584,842.80x = 63,188,111,138,057,781,248
  5. Step 5: Solve for x
    x = 63,188,111,138,057,781,248/7,926,584,842.80
  6. Step 6: Final answer
    x = 7,971,669,059.40

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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.