Home / 604,638,777.40-906,958,166.10-389,470,982.20

Finding the Fourth Proportional to 604,638,777.40, 906,958,166.10 and 389,470,982.20

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Solution

The fourth proportional to 604,638,777.40, 906,958,166.10 and 389,470,982.20 is: 584,206,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,638,777.40 : 906,958,166.10 = 389,470,982.20 : x
  2. Step 2: Convert to fraction form
    604,638,777.40/906,958,166.10 = 389,470,982.20/x
  3. Step 3: Cross multiply
    604,638,777.40x = 906,958,166.10 × 389,470,982.20
  4. Step 4: Simplify right side
    604,638,777.40x = 353,233,887,765,277,760
  5. Step 5: Solve for x
    x = 353,233,887,765,277,760/604,638,777.40
  6. Step 6: Final answer
    x = 584,206,473.30

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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.