Home / 578,236,320,921.90-797,973,353,712.64-317,842,459,773.36

Finding the Fourth Proportional to 578,236,320,921.90, 797,973,353,712.64 and 317,842,459,773.36

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Solution

The fourth proportional to 578,236,320,921.90, 797,973,353,712.64 and 317,842,459,773.36 is: 438,626,569,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,236,320,921.90 : 797,973,353,712.64 = 317,842,459,773.36 : x
  2. Step 2: Convert to fraction form
    578,236,320,921.90/797,973,353,712.64 = 317,842,459,773.36/x
  3. Step 3: Cross multiply
    578,236,320,921.90x = 797,973,353,712.64 × 317,842,459,773.36
  4. Step 4: Simplify right side
    578,236,320,921.90x = 253,629,813,577,622,950,510,592
  5. Step 5: Solve for x
    x = 253,629,813,577,622,950,510,592/578,236,320,921.90
  6. Step 6: Final answer
    x = 438,626,569,104.57

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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.