Home / 771,851,659.74-1,065,171,058.63-419,450,351.50

Finding the Fourth Proportional to 771,851,659.74, 1,065,171,058.63 and 419,450,351.50

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Solution

The fourth proportional to 771,851,659.74, 1,065,171,058.63 and 419,450,351.50 is: 578,850,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,851,659.74 : 1,065,171,058.63 = 419,450,351.50 : x
  2. Step 2: Convert to fraction form
    771,851,659.74/1,065,171,058.63 = 419,450,351.50/x
  3. Step 3: Cross multiply
    771,851,659.74x = 1,065,171,058.63 × 419,450,351.50
  4. Step 4: Simplify right side
    771,851,659.74x = 446,786,374,952,612,416
  5. Step 5: Solve for x
    x = 446,786,374,952,612,416/771,851,659.74
  6. Step 6: Final answer
    x = 578,850,054.04

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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.