Home / 774,886,678.01-1,162,328,521.99-192,621,484.05

Finding the Fourth Proportional to 774,886,678.01, 1,162,328,521.99 and 192,621,484.05

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Solution

The fourth proportional to 774,886,678.01, 1,162,328,521.99 and 192,621,484.05 is: 288,931,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,886,678.01 : 1,162,328,521.99 = 192,621,484.05 : x
  2. Step 2: Convert to fraction form
    774,886,678.01/1,162,328,521.99 = 192,621,484.05/x
  3. Step 3: Cross multiply
    774,886,678.01x = 1,162,328,521.99 × 192,621,484.05
  4. Step 4: Simplify right side
    774,886,678.01x = 223,889,444,856,451,072
  5. Step 5: Solve for x
    x = 223,889,444,856,451,072/774,886,678.01
  6. Step 6: Final answer
    x = 288,931,854.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.