Home / 916,846,955.64-1,374,405,896.82-456,349,786.20

Finding the Fourth Proportional to 916,846,955.64, 1,374,405,896.82 and 456,349,786.20

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Solution

The fourth proportional to 916,846,955.64, 1,374,405,896.82 and 456,349,786.20 is: 684,094,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,846,955.64 : 1,374,405,896.82 = 456,349,786.20 : x
  2. Step 2: Convert to fraction form
    916,846,955.64/1,374,405,896.82 = 456,349,786.20/x
  3. Step 3: Cross multiply
    916,846,955.64x = 1,374,405,896.82 × 456,349,786.20
  4. Step 4: Simplify right side
    916,846,955.64x = 627,209,837,165,826,176
  5. Step 5: Solve for x
    x = 627,209,837,165,826,176/916,846,955.64
  6. Step 6: Final answer
    x = 684,094,366.36

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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.