Home / 13,435,574,826.32-18,550,273,593.48-8,689,338,328.40

Finding the Fourth Proportional to 13,435,574,826.32, 18,550,273,593.48 and 8,689,338,328.40

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Solution

The fourth proportional to 13,435,574,826.32, 18,550,273,593.48 and 8,689,338,328.40 is: 11,997,224,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435,574,826.32 : 18,550,273,593.48 = 8,689,338,328.40 : x
  2. Step 2: Convert to fraction form
    13,435,574,826.32/18,550,273,593.48 = 8,689,338,328.40/x
  3. Step 3: Cross multiply
    13,435,574,826.32x = 18,550,273,593.48 × 8,689,338,328.40
  4. Step 4: Simplify right side
    13,435,574,826.32x = 161,189,603,338,132,160,512
  5. Step 5: Solve for x
    x = 161,189,603,338,132,160,512/13,435,574,826.32
  6. Step 6: Final answer
    x = 11,997,224,191.88

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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.