Home / 855,454,754.95-1,180,325,205.70-484,176,786.32

Finding the Fourth Proportional to 855,454,754.95, 1,180,325,205.70 and 484,176,786.32

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Solution

The fourth proportional to 855,454,754.95, 1,180,325,205.70 and 484,176,786.32 is: 668,049,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,454,754.95 : 1,180,325,205.70 = 484,176,786.32 : x
  2. Step 2: Convert to fraction form
    855,454,754.95/1,180,325,205.70 = 484,176,786.32/x
  3. Step 3: Cross multiply
    855,454,754.95x = 1,180,325,205.70 × 484,176,786.32
  4. Step 4: Simplify right side
    855,454,754.95x = 571,486,064,905,898,048
  5. Step 5: Solve for x
    x = 571,486,064,905,898,048/855,454,754.95
  6. Step 6: Final answer
    x = 668,049,434.06

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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.