Home / 9,971,365,131.48-13,760,810,074.29-5,455,139,415.51

Finding the Fourth Proportional to 9,971,365,131.48, 13,760,810,074.29 and 5,455,139,415.51

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Solution

The fourth proportional to 9,971,365,131.48, 13,760,810,074.29 and 5,455,139,415.51 is: 7,528,270,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971,365,131.48 : 13,760,810,074.29 = 5,455,139,415.51 : x
  2. Step 2: Convert to fraction form
    9,971,365,131.48/13,760,810,074.29 = 5,455,139,415.51/x
  3. Step 3: Cross multiply
    9,971,365,131.48x = 13,760,810,074.29 × 5,455,139,415.51
  4. Step 4: Simplify right side
    9,971,365,131.48x = 75,067,137,425,606,475,776
  5. Step 5: Solve for x
    x = 75,067,137,425,606,475,776/9,971,365,131.48
  6. Step 6: Final answer
    x = 7,528,270,847.15

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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.