Home / 13,799,824,064.51-19,043,757,245.68-7,456,191,897.47

Finding the Fourth Proportional to 13,799,824,064.51, 19,043,757,245.68 and 7,456,191,897.47

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Solution

The fourth proportional to 13,799,824,064.51, 19,043,757,245.68 and 7,456,191,897.47 is: 10,289,544,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,824,064.51 : 19,043,757,245.68 = 7,456,191,897.47 : x
  2. Step 2: Convert to fraction form
    13,799,824,064.51/19,043,757,245.68 = 7,456,191,897.47/x
  3. Step 3: Cross multiply
    13,799,824,064.51x = 19,043,757,245.68 × 7,456,191,897.47
  4. Step 4: Simplify right side
    13,799,824,064.51x = 141,993,908,472,507,219,968
  5. Step 5: Solve for x
    x = 141,993,908,472,507,219,968/13,799,824,064.51
  6. Step 6: Final answer
    x = 10,289,544,838.31

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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.