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Finding the Fourth Proportional to 511,893,843.35, 706,901,366.67 and 484,005,946.22

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Solution

The fourth proportional to 511,893,843.35, 706,901,366.67 and 484,005,946.22 is: 668,389,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,893,843.35 : 706,901,366.67 = 484,005,946.22 : x
  2. Step 2: Convert to fraction form
    511,893,843.35/706,901,366.67 = 484,005,946.22/x
  3. Step 3: Cross multiply
    511,893,843.35x = 706,901,366.67 × 484,005,946.22
  4. Step 4: Simplify right side
    511,893,843.35x = 342,144,464,854,632,384
  5. Step 5: Solve for x
    x = 342,144,464,854,632,384/511,893,843.35
  6. Step 6: Final answer
    x = 668,389,489.93

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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.