Home / 8,128,852,675.40-11,196,915,355.50-5,745,893,817.98

Finding the Fourth Proportional to 8,128,852,675.40, 11,196,915,355.50 and 5,745,893,817.98

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Solution

The fourth proportional to 8,128,852,675.40, 11,196,915,355.50 and 5,745,893,817.98 is: 7,914,559,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,852,675.40 : 11,196,915,355.50 = 5,745,893,817.98 : x
  2. Step 2: Convert to fraction form
    8,128,852,675.40/11,196,915,355.50 = 5,745,893,817.98/x
  3. Step 3: Cross multiply
    8,128,852,675.40x = 11,196,915,355.50 × 5,745,893,817.98
  4. Step 4: Simplify right side
    8,128,852,675.40x = 64,336,286,721,612,775,424
  5. Step 5: Solve for x
    x = 64,336,286,721,612,775,424/8,128,852,675.40
  6. Step 6: Final answer
    x = 7,914,559,322.29

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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.