Home / 1,355,630,676.87-1,870,667,666.55-760,800,280.14

Finding the Fourth Proportional to 1,355,630,676.87, 1,870,667,666.55 and 760,800,280.14

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Solution

The fourth proportional to 1,355,630,676.87, 1,870,667,666.55 and 760,800,280.14 is: 1,049,846,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,630,676.87 : 1,870,667,666.55 = 760,800,280.14 : x
  2. Step 2: Convert to fraction form
    1,355,630,676.87/1,870,667,666.55 = 760,800,280.14/x
  3. Step 3: Cross multiply
    1,355,630,676.87x = 1,870,667,666.55 × 760,800,280.14
  4. Step 4: Simplify right side
    1,355,630,676.87x = 1,423,204,484,760,080,128
  5. Step 5: Solve for x
    x = 1,423,204,484,760,080,128/1,355,630,676.87
  6. Step 6: Final answer
    x = 1,049,846,768.03

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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.