Home / 760,850,777.64-1,049,956,309.62-447,605,164.20

Finding the Fourth Proportional to 760,850,777.64, 1,049,956,309.62 and 447,605,164.20

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Solution

The fourth proportional to 760,850,777.64, 1,049,956,309.62 and 447,605,164.20 is: 617,684,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,850,777.64 : 1,049,956,309.62 = 447,605,164.20 : x
  2. Step 2: Convert to fraction form
    760,850,777.64/1,049,956,309.62 = 447,605,164.20/x
  3. Step 3: Cross multiply
    760,850,777.64x = 1,049,956,309.62 × 447,605,164.20
  4. Step 4: Simplify right side
    760,850,777.64x = 469,965,866,370,286,144
  5. Step 5: Solve for x
    x = 469,965,866,370,286,144/760,850,777.64
  6. Step 6: Final answer
    x = 617,684,676.39

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1.5x scale

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.