Home / 911,446,276.40-1,367,206,739.40-265,214,020.40

Finding the Fourth Proportional to 911,446,276.40, 1,367,206,739.40 and 265,214,020.40

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Solution

The fourth proportional to 911,446,276.40, 1,367,206,739.40 and 265,214,020.40 is: 397,831,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,446,276.40 : 1,367,206,739.40 = 265,214,020.40 : x
  2. Step 2: Convert to fraction form
    911,446,276.40/1,367,206,739.40 = 265,214,020.40/x
  3. Step 3: Cross multiply
    911,446,276.40x = 1,367,206,739.40 × 265,214,020.40
  4. Step 4: Simplify right side
    911,446,276.40x = 362,602,396,074,249,088
  5. Step 5: Solve for x
    x = 362,602,396,074,249,088/911,446,276.40
  6. Step 6: Final answer
    x = 397,831,891.43

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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.