Home / 19,679,069,899.02-27,175,872,312.76-18,606,966,720.38

Finding the Fourth Proportional to 19,679,069,899.02, 27,175,872,312.76 and 18,606,966,720.38

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Solution

The fourth proportional to 19,679,069,899.02, 27,175,872,312.76 and 18,606,966,720.38 is: 25,695,348,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679,069,899.02 : 27,175,872,312.76 = 18,606,966,720.38 : x
  2. Step 2: Convert to fraction form
    19,679,069,899.02/27,175,872,312.76 = 18,606,966,720.38/x
  3. Step 3: Cross multiply
    19,679,069,899.02x = 27,175,872,312.76 × 18,606,966,720.38
  4. Step 4: Simplify right side
    19,679,069,899.02x = 505,660,551,720,821,587,968
  5. Step 5: Solve for x
    x = 505,660,551,720,821,587,968/19,679,069,899.02
  6. Step 6: Final answer
    x = 25,695,348,119.37

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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.