Home / 13,980,043,726.38-19,292,459,604.59-7,549,863,087.12

Finding the Fourth Proportional to 13,980,043,726.38, 19,292,459,604.59 and 7,549,863,087.12

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Solution

The fourth proportional to 13,980,043,726.38, 19,292,459,604.59 and 7,549,863,087.12 is: 10,418,810,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,043,726.38 : 19,292,459,604.59 = 7,549,863,087.12 : x
  2. Step 2: Convert to fraction form
    13,980,043,726.38/19,292,459,604.59 = 7,549,863,087.12/x
  3. Step 3: Cross multiply
    13,980,043,726.38x = 19,292,459,604.59 × 7,549,863,087.12
  4. Step 4: Simplify right side
    13,980,043,726.38x = 145,655,428,628,447,756,288
  5. Step 5: Solve for x
    x = 145,655,428,628,447,756,288/13,980,043,726.38
  6. Step 6: Final answer
    x = 10,418,810,661.77

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Double scale
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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.