Home / 1,233,949,726.83-1,702,853,923.64-669,434,606.90

Finding the Fourth Proportional to 1,233,949,726.83, 1,702,853,923.64 and 669,434,606.90

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Solution

The fourth proportional to 1,233,949,726.83, 1,702,853,923.64 and 669,434,606.90 is: 923,821,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,949,726.83 : 1,702,853,923.64 = 669,434,606.90 : x
  2. Step 2: Convert to fraction form
    1,233,949,726.83/1,702,853,923.64 = 669,434,606.90/x
  3. Step 3: Cross multiply
    1,233,949,726.83x = 1,702,853,923.64 × 669,434,606.90
  4. Step 4: Simplify right side
    1,233,949,726.83x = 1,139,949,346,980,066,048
  5. Step 5: Solve for x
    x = 1,139,949,346,980,066,048/1,233,949,726.83
  6. Step 6: Final answer
    x = 923,821,548.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.