Home / 28,891,219,467,113-39,869,889,372,487-15,899,460,788,986

Finding the Fourth Proportional to 28,891,219,467,113, 39,869,889,372,487 and 15,899,460,788,986

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Solution

The fourth proportional to 28,891,219,467,113, 39,869,889,372,487 and 15,899,460,788,986 is: 21,941,259,470,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891,219,467,113 : 39,869,889,372,487 = 15,899,460,788,986 : x
  2. Step 2: Convert to fraction form
    28,891,219,467,113/39,869,889,372,487 = 15,899,460,788,986/x
  3. Step 3: Cross multiply
    28,891,219,467,113x = 39,869,889,372,487 × 15,899,460,788,986
  4. Step 4: Simplify right side
    28,891,219,467,113x = 633,909,742,739,066,694,735,495,168
  5. Step 5: Solve for x
    x = 633,909,742,739,066,694,735,495,168/28,891,219,467,113
  6. Step 6: Final answer
    x = 21,941,259,470,222.39

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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.