Home / 12,788,519,358-17,647,260,806.16-7,435,699,960.08

Finding the Fourth Proportional to 12,788,519,358, 17,647,260,806.16 and 7,435,699,960.08

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Solution

The fourth proportional to 12,788,519,358, 17,647,260,806.16 and 7,435,699,960.08 is: 10,260,745,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788,519,358 : 17,647,260,806.16 = 7,435,699,960.08 : x
  2. Step 2: Convert to fraction form
    12,788,519,358/17,647,260,806.16 = 7,435,699,960.08/x
  3. Step 3: Cross multiply
    12,788,519,358x = 17,647,260,806.16 × 7,435,699,960.08
  4. Step 4: Simplify right side
    12,788,519,358x = 131,219,736,471,885,250,560
  5. Step 5: Solve for x
    x = 131,219,736,471,885,250,560/12,788,519,358
  6. Step 6: Final answer
    x = 10,260,745,032.21

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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.