Home / 15,640,565,829.44-21,583,829,100.48-8,503,979,544.32

Finding the Fourth Proportional to 15,640,565,829.44, 21,583,829,100.48 and 8,503,979,544.32

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Solution

The fourth proportional to 15,640,565,829.44, 21,583,829,100.48 and 8,503,979,544.32 is: 11,735,409,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640,565,829.44 : 21,583,829,100.48 = 8,503,979,544.32 : x
  2. Step 2: Convert to fraction form
    15,640,565,829.44/21,583,829,100.48 = 8,503,979,544.32/x
  3. Step 3: Cross multiply
    15,640,565,829.44x = 21,583,829,100.48 × 8,503,979,544.32
  4. Step 4: Simplify right side
    15,640,565,829.44x = 183,548,441,158,580,666,368
  5. Step 5: Solve for x
    x = 183,548,441,158,580,666,368/15,640,565,829.44
  6. Step 6: Final answer
    x = 11,735,409,265.89

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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.