Home / 979,874,987.60-1,469,812,481.40-973,072,542.80

Finding the Fourth Proportional to 979,874,987.60, 1,469,812,481.40 and 973,072,542.80

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Solution

The fourth proportional to 979,874,987.60, 1,469,812,481.40 and 973,072,542.80 is: 1,459,608,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,874,987.60 : 1,469,812,481.40 = 973,072,542.80 : x
  2. Step 2: Convert to fraction form
    979,874,987.60/1,469,812,481.40 = 973,072,542.80/x
  3. Step 3: Cross multiply
    979,874,987.60x = 1,469,812,481.40 × 973,072,542.80
  4. Step 4: Simplify right side
    979,874,987.60x = 1,430,234,168,715,075,840
  5. Step 5: Solve for x
    x = 1,430,234,168,715,075,840/979,874,987.60
  6. Step 6: Final answer
    x = 1,459,608,814.20

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1.5x scale

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.