Home / 770,813,445-1,156,447,295.82-310,514,749.32

Finding the Fourth Proportional to 770,813,445, 1,156,447,295.82 and 310,514,749.32

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Solution

The fourth proportional to 770,813,445, 1,156,447,295.82 and 310,514,749.32 is: 465,863,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,813,445 : 1,156,447,295.82 = 310,514,749.32 : x
  2. Step 2: Convert to fraction form
    770,813,445/1,156,447,295.82 = 310,514,749.32/x
  3. Step 3: Cross multiply
    770,813,445x = 1,156,447,295.82 × 310,514,749.32
  4. Step 4: Simplify right side
    770,813,445x = 359,093,942,163,339,136
  5. Step 5: Solve for x
    x = 359,093,942,163,339,136/770,813,445
  6. Step 6: Final answer
    x = 465,863,620.43

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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.