Home / 13,980,043,519.74-19,292,459,319.33-7,549,862,880.55

Finding the Fourth Proportional to 13,980,043,519.74, 19,292,459,319.33 and 7,549,862,880.55

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Solution

The fourth proportional to 13,980,043,519.74, 19,292,459,319.33 and 7,549,862,880.55 is: 10,418,810,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,043,519.74 : 19,292,459,319.33 = 7,549,862,880.55 : x
  2. Step 2: Convert to fraction form
    13,980,043,519.74/19,292,459,319.33 = 7,549,862,880.55/x
  3. Step 3: Cross multiply
    13,980,043,519.74x = 19,292,459,319.33 × 7,549,862,880.55
  4. Step 4: Simplify right side
    13,980,043,519.74x = 145,655,422,489,530,499,072
  5. Step 5: Solve for x
    x = 145,655,422,489,530,499,072/13,980,043,519.74
  6. Step 6: Final answer
    x = 10,418,810,376.65

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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.