Home / 18,722,621,111.94-25,837,210,916.64-10,264,263,285.78

Finding the Fourth Proportional to 18,722,621,111.94, 25,837,210,916.64 and 10,264,263,285.78

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Solution

The fourth proportional to 18,722,621,111.94, 25,837,210,916.64 and 10,264,263,285.78 is: 14,164,679,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,621,111.94 : 25,837,210,916.64 = 10,264,263,285.78 : x
  2. Step 2: Convert to fraction form
    18,722,621,111.94/25,837,210,916.64 = 10,264,263,285.78/x
  3. Step 3: Cross multiply
    18,722,621,111.94x = 25,837,210,916.64 × 10,264,263,285.78
  4. Step 4: Simplify right side
    18,722,621,111.94x = 265,199,935,418,622,181,376
  5. Step 5: Solve for x
    x = 265,199,935,418,622,181,376/18,722,621,111.94
  6. Step 6: Final answer
    x = 14,164,679,925.58

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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.