Home / 630,080,247.40-945,120,371.10-543,915,946.60

Finding the Fourth Proportional to 630,080,247.40, 945,120,371.10 and 543,915,946.60

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Solution

The fourth proportional to 630,080,247.40, 945,120,371.10 and 543,915,946.60 is: 815,873,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,080,247.40 : 945,120,371.10 = 543,915,946.60 : x
  2. Step 2: Convert to fraction form
    630,080,247.40/945,120,371.10 = 543,915,946.60/x
  3. Step 3: Cross multiply
    630,080,247.40x = 945,120,371.10 × 543,915,946.60
  4. Step 4: Simplify right side
    630,080,247.40x = 514,066,041,297,799,808
  5. Step 5: Solve for x
    x = 514,066,041,297,799,808/630,080,247.40
  6. Step 6: Final answer
    x = 815,873,919.90

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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.