Home / 1,048,607,624.40-1,573,919,206.20-531,621,819.60

Finding the Fourth Proportional to 1,048,607,624.40, 1,573,919,206.20 and 531,621,819.60

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Solution

The fourth proportional to 1,048,607,624.40, 1,573,919,206.20 and 531,621,819.60 is: 797,943,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,607,624.40 : 1,573,919,206.20 = 531,621,819.60 : x
  2. Step 2: Convert to fraction form
    1,048,607,624.40/1,573,919,206.20 = 531,621,819.60/x
  3. Step 3: Cross multiply
    1,048,607,624.40x = 1,573,919,206.20 × 531,621,819.60
  4. Step 4: Simplify right side
    1,048,607,624.40x = 836,729,792,303,431,680
  5. Step 5: Solve for x
    x = 836,729,792,303,431,680/1,048,607,624.40
  6. Step 6: Final answer
    x = 797,943,647.21

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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.