Home / 669,365,340.70-1,004,048,011.05-238,388,316.70

Finding the Fourth Proportional to 669,365,340.70, 1,004,048,011.05 and 238,388,316.70

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Solution

The fourth proportional to 669,365,340.70, 1,004,048,011.05 and 238,388,316.70 is: 357,582,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,365,340.70 : 1,004,048,011.05 = 238,388,316.70 : x
  2. Step 2: Convert to fraction form
    669,365,340.70/1,004,048,011.05 = 238,388,316.70/x
  3. Step 3: Cross multiply
    669,365,340.70x = 1,004,048,011.05 × 238,388,316.70
  4. Step 4: Simplify right side
    669,365,340.70x = 239,353,315,240,192,480
  5. Step 5: Solve for x
    x = 239,353,315,240,192,480/669,365,340.70
  6. Step 6: Final answer
    x = 357,582,475.05

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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.