Home / 760,850,774.64-1,049,956,305.48-447,605,161.20

Finding the Fourth Proportional to 760,850,774.64, 1,049,956,305.48 and 447,605,161.20

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Solution

The fourth proportional to 760,850,774.64, 1,049,956,305.48 and 447,605,161.20 is: 617,684,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,850,774.64 : 1,049,956,305.48 = 447,605,161.20 : x
  2. Step 2: Convert to fraction form
    760,850,774.64/1,049,956,305.48 = 447,605,161.20/x
  3. Step 3: Cross multiply
    760,850,774.64x = 1,049,956,305.48 × 447,605,161.20
  4. Step 4: Simplify right side
    760,850,774.64x = 469,965,861,367,331,840
  5. Step 5: Solve for x
    x = 469,965,861,367,331,840/760,850,774.64
  6. Step 6: Final answer
    x = 617,684,672.25

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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.