Home / 21,646,045,242,034-29,872,615,666,212-13,427,345,730,436

Finding the Fourth Proportional to 21,646,045,242,034, 29,872,615,666,212 and 13,427,345,730,436

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Solution

The fourth proportional to 21,646,045,242,034, 29,872,615,666,212 and 13,427,345,730,436 is: 18,530,402,849,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646,045,242,034 : 29,872,615,666,212 = 13,427,345,730,436 : x
  2. Step 2: Convert to fraction form
    21,646,045,242,034/29,872,615,666,212 = 13,427,345,730,436/x
  3. Step 3: Cross multiply
    21,646,045,242,034x = 29,872,615,666,212 × 13,427,345,730,436
  4. Step 4: Simplify right side
    21,646,045,242,034x = 401,109,938,422,667,266,408,579,072
  5. Step 5: Solve for x
    x = 401,109,938,422,667,266,408,579,072/21,646,045,242,034
  6. Step 6: Final answer
    x = 18,530,402,849,004.51

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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.