Home / 1,447,688,770.40-2,171,617,136.40-412,625,410.40

Finding the Fourth Proportional to 1,447,688,770.40, 2,171,617,136.40 and 412,625,410.40

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Solution

The fourth proportional to 1,447,688,770.40, 2,171,617,136.40 and 412,625,410.40 is: 618,962,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,688,770.40 : 2,171,617,136.40 = 412,625,410.40 : x
  2. Step 2: Convert to fraction form
    1,447,688,770.40/2,171,617,136.40 = 412,625,410.40/x
  3. Step 3: Cross multiply
    1,447,688,770.40x = 2,171,617,136.40 × 412,625,410.40
  4. Step 4: Simplify right side
    1,447,688,770.40x = 896,064,412,138,722,816
  5. Step 5: Solve for x
    x = 896,064,412,138,722,816/1,447,688,770.40
  6. Step 6: Final answer
    x = 618,962,052.11

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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.