Home / 18,516,621,555-25,552,947,699.18-10,172,826,744.12

Finding the Fourth Proportional to 18,516,621,555, 25,552,947,699.18 and 10,172,826,744.12

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Solution

The fourth proportional to 18,516,621,555, 25,552,947,699.18 and 10,172,826,744.12 is: 14,038,506,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516,621,555 : 25,552,947,699.18 = 10,172,826,744.12 : x
  2. Step 2: Convert to fraction form
    18,516,621,555/25,552,947,699.18 = 10,172,826,744.12/x
  3. Step 3: Cross multiply
    18,516,621,555x = 25,552,947,699.18 × 10,172,826,744.12
  4. Step 4: Simplify right side
    18,516,621,555x = 259,945,709,745,317,937,152
  5. Step 5: Solve for x
    x = 259,945,709,745,317,937,152/18,516,621,555
  6. Step 6: Final answer
    x = 14,038,506,375.11

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1.5x scale

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.