Home / 1,562,938,829.19-2,156,916,239.51-858,120,517.35

Finding the Fourth Proportional to 1,562,938,829.19, 2,156,916,239.51 and 858,120,517.35

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Solution

The fourth proportional to 1,562,938,829.19, 2,156,916,239.51 and 858,120,517.35 is: 1,184,239,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,938,829.19 : 2,156,916,239.51 = 858,120,517.35 : x
  2. Step 2: Convert to fraction form
    1,562,938,829.19/2,156,916,239.51 = 858,120,517.35/x
  3. Step 3: Cross multiply
    1,562,938,829.19x = 2,156,916,239.51 × 858,120,517.35
  4. Step 4: Simplify right side
    1,562,938,829.19x = 1,850,894,079,324,647,168
  5. Step 5: Solve for x
    x = 1,850,894,079,324,647,168/1,562,938,829.19
  6. Step 6: Final answer
    x = 1,184,239,616.26

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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.