Home / 13,047,765,179.47-19,563,637,998.38-5,070,619,147.28

Finding the Fourth Proportional to 13,047,765,179.47, 19,563,637,998.38 and 5,070,619,147.28

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Solution

The fourth proportional to 13,047,765,179.47, 19,563,637,998.38 and 5,070,619,147.28 is: 7,602,815,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,765,179.47 : 19,563,637,998.38 = 5,070,619,147.28 : x
  2. Step 2: Convert to fraction form
    13,047,765,179.47/19,563,637,998.38 = 5,070,619,147.28/x
  3. Step 3: Cross multiply
    13,047,765,179.47x = 19,563,637,998.38 × 5,070,619,147.28
  4. Step 4: Simplify right side
    13,047,765,179.47x = 99,199,757,424,917,020,672
  5. Step 5: Solve for x
    x = 99,199,757,424,917,020,672/13,047,765,179.47
  6. Step 6: Final answer
    x = 7,602,815,965.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.