Home / 13,159,641,284.56-18,160,197,486.60-7,138,131,615.28

Finding the Fourth Proportional to 13,159,641,284.56, 18,160,197,486.60 and 7,138,131,615.28

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Solution

The fourth proportional to 13,159,641,284.56, 18,160,197,486.60 and 7,138,131,615.28 is: 9,850,563,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159,641,284.56 : 18,160,197,486.60 = 7,138,131,615.28 : x
  2. Step 2: Convert to fraction form
    13,159,641,284.56/18,160,197,486.60 = 7,138,131,615.28/x
  3. Step 3: Cross multiply
    13,159,641,284.56x = 18,160,197,486.60 × 7,138,131,615.28
  4. Step 4: Simplify right side
    13,159,641,284.56x = 129,629,879,818,827,841,536
  5. Step 5: Solve for x
    x = 129,629,879,818,827,841,536/13,159,641,284.56
  6. Step 6: Final answer
    x = 9,850,563,325.83

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1.5x scale

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.