Home / 857,162,131.32-1,285,605,459.63-235,232,081.76

Finding the Fourth Proportional to 857,162,131.32, 1,285,605,459.63 and 235,232,081.76

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Solution

The fourth proportional to 857,162,131.32, 1,285,605,459.63 and 235,232,081.76 is: 352,810,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,162,131.32 : 1,285,605,459.63 = 235,232,081.76 : x
  2. Step 2: Convert to fraction form
    857,162,131.32/1,285,605,459.63 = 235,232,081.76/x
  3. Step 3: Cross multiply
    857,162,131.32x = 1,285,605,459.63 × 235,232,081.76
  4. Step 4: Simplify right side
    857,162,131.32x = 302,415,648,590,786,560
  5. Step 5: Solve for x
    x = 302,415,648,590,786,560/857,162,131.32
  6. Step 6: Final answer
    x = 352,810,323.21

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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.