Home / 2,078,492,069.39-2,868,295,152.60-1,125,854,847.63

Finding the Fourth Proportional to 2,078,492,069.39, 2,868,295,152.60 and 1,125,854,847.63

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Solution

The fourth proportional to 2,078,492,069.39, 2,868,295,152.60 and 1,125,854,847.63 is: 1,553,666,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,492,069.39 : 2,868,295,152.60 = 1,125,854,847.63 : x
  2. Step 2: Convert to fraction form
    2,078,492,069.39/2,868,295,152.60 = 1,125,854,847.63/x
  3. Step 3: Cross multiply
    2,078,492,069.39x = 2,868,295,152.60 × 1,125,854,847.63
  4. Step 4: Simplify right side
    2,078,492,069.39x = 3,229,284,001,988,340,736
  5. Step 5: Solve for x
    x = 3,229,284,001,988,340,736/2,078,492,069.39
  6. Step 6: Final answer
    x = 1,553,666,742.13

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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.