Home / 1,092,093,083.80-1,638,139,625.70-402,495,242.20

Finding the Fourth Proportional to 1,092,093,083.80, 1,638,139,625.70 and 402,495,242.20

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Solution

The fourth proportional to 1,092,093,083.80, 1,638,139,625.70 and 402,495,242.20 is: 603,742,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,093,083.80 : 1,638,139,625.70 = 402,495,242.20 : x
  2. Step 2: Convert to fraction form
    1,092,093,083.80/1,638,139,625.70 = 402,495,242.20/x
  3. Step 3: Cross multiply
    1,092,093,083.80x = 1,638,139,625.70 × 402,495,242.20
  4. Step 4: Simplify right side
    1,092,093,083.80x = 659,343,405,403,538,816
  5. Step 5: Solve for x
    x = 659,343,405,403,538,816/1,092,093,083.80
  6. Step 6: Final answer
    x = 603,742,863.30

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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.