Home / 1,213,284,068.61-1,674,315,707.74-677,444,065.73

Finding the Fourth Proportional to 1,213,284,068.61, 1,674,315,707.74 and 677,444,065.73

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Solution

The fourth proportional to 1,213,284,068.61, 1,674,315,707.74 and 677,444,065.73 is: 934,863,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,284,068.61 : 1,674,315,707.74 = 677,444,065.73 : x
  2. Step 2: Convert to fraction form
    1,213,284,068.61/1,674,315,707.74 = 677,444,065.73/x
  3. Step 3: Cross multiply
    1,213,284,068.61x = 1,674,315,707.74 × 677,444,065.73
  4. Step 4: Simplify right side
    1,213,284,068.61x = 1,134,255,240,376,388,096
  5. Step 5: Solve for x
    x = 1,134,255,240,376,388,096/1,213,284,068.61
  6. Step 6: Final answer
    x = 934,863,705.64

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Double scale
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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.