Home / 1,447,688,826.40-2,171,617,220.40-412,625,466.40

Finding the Fourth Proportional to 1,447,688,826.40, 2,171,617,220.40 and 412,625,466.40

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Solution

The fourth proportional to 1,447,688,826.40, 2,171,617,220.40 and 412,625,466.40 is: 618,962,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,688,826.40 : 2,171,617,220.40 = 412,625,466.40 : x
  2. Step 2: Convert to fraction form
    1,447,688,826.40/2,171,617,220.40 = 412,625,466.40/x
  3. Step 3: Cross multiply
    1,447,688,826.40x = 2,171,617,220.40 × 412,625,466.40
  4. Step 4: Simplify right side
    1,447,688,826.40x = 896,064,568,409,821,568
  5. Step 5: Solve for x
    x = 896,064,568,409,821,568/1,447,688,826.40
  6. Step 6: Final answer
    x = 618,962,136.11

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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.