Home / 280,600,226.81-387,045,855.81-179,969,270.92

Finding the Fourth Proportional to 280,600,226.81, 387,045,855.81 and 179,969,270.92

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Solution

The fourth proportional to 280,600,226.81, 387,045,855.81 and 179,969,270.92 is: 248,240,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,600,226.81 : 387,045,855.81 = 179,969,270.92 : x
  2. Step 2: Convert to fraction form
    280,600,226.81/387,045,855.81 = 179,969,270.92/x
  3. Step 3: Cross multiply
    280,600,226.81x = 387,045,855.81 × 179,969,270.92
  4. Step 4: Simplify right side
    280,600,226.81x = 69,656,360,483,700,768
  5. Step 5: Solve for x
    x = 69,656,360,483,700,768/280,600,226.81
  6. Step 6: Final answer
    x = 248,240,570.85

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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.