Home / 1,168,941,840.40-1,613,082,416.16-640,308,171.88

Finding the Fourth Proportional to 1,168,941,840.40, 1,613,082,416.16 and 640,308,171.88

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Solution

The fourth proportional to 1,168,941,840.40, 1,613,082,416.16 and 640,308,171.88 is: 883,593,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,941,840.40 : 1,613,082,416.16 = 640,308,171.88 : x
  2. Step 2: Convert to fraction form
    1,168,941,840.40/1,613,082,416.16 = 640,308,171.88/x
  3. Step 3: Cross multiply
    1,168,941,840.40x = 1,613,082,416.16 × 640,308,171.88
  4. Step 4: Simplify right side
    1,168,941,840.40x = 1,032,869,852,983,182,976
  5. Step 5: Solve for x
    x = 1,032,869,852,983,182,976/1,168,941,840.40
  6. Step 6: Final answer
    x = 883,593,877.20

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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.