Home / 669,365,332.20-1,004,047,998.30-238,388,308.20

Finding the Fourth Proportional to 669,365,332.20, 1,004,047,998.30 and 238,388,308.20

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Solution

The fourth proportional to 669,365,332.20, 1,004,047,998.30 and 238,388,308.20 is: 357,582,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,365,332.20 : 1,004,047,998.30 = 238,388,308.20 : x
  2. Step 2: Convert to fraction form
    669,365,332.20/1,004,047,998.30 = 238,388,308.20/x
  3. Step 3: Cross multiply
    669,365,332.20x = 1,004,047,998.30 × 238,388,308.20
  4. Step 4: Simplify right side
    669,365,332.20x = 239,353,303,666,333,440
  5. Step 5: Solve for x
    x = 239,353,303,666,333,440/669,365,332.20
  6. Step 6: Final answer
    x = 357,582,462.30

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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.