Home / 26,709,831,048.30-40,064,746,572.45-18,873,414,638.70

Finding the Fourth Proportional to 26,709,831,048.30, 40,064,746,572.45 and 18,873,414,638.70

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Solution

The fourth proportional to 26,709,831,048.30, 40,064,746,572.45 and 18,873,414,638.70 is: 28,310,121,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,709,831,048.30 : 40,064,746,572.45 = 18,873,414,638.70 : x
  2. Step 2: Convert to fraction form
    26,709,831,048.30/40,064,746,572.45 = 18,873,414,638.70/x
  3. Step 3: Cross multiply
    26,709,831,048.30x = 40,064,746,572.45 × 18,873,414,638.70
  4. Step 4: Simplify right side
    26,709,831,048.30x = 756,158,574,456,283,463,680
  5. Step 5: Solve for x
    x = 756,158,574,456,283,463,680/26,709,831,048.30
  6. Step 6: Final answer
    x = 28,310,121,958.05

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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.