Home / 604,415,921.40-906,623,882.10-556,042,980.60

Finding the Fourth Proportional to 604,415,921.40, 906,623,882.10 and 556,042,980.60

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Solution

The fourth proportional to 604,415,921.40, 906,623,882.10 and 556,042,980.60 is: 834,064,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,415,921.40 : 906,623,882.10 = 556,042,980.60 : x
  2. Step 2: Convert to fraction form
    604,415,921.40/906,623,882.10 = 556,042,980.60/x
  3. Step 3: Cross multiply
    604,415,921.40x = 906,623,882.10 × 556,042,980.60
  4. Step 4: Simplify right side
    604,415,921.40x = 504,121,845,686,027,008
  5. Step 5: Solve for x
    x = 504,121,845,686,027,008/604,415,921.40
  6. Step 6: Final answer
    x = 834,064,470.90

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Similar ratio
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1.5x scale

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.