Home / 706,455,813.74-1,059,712,938.59-208,466,333.31

Finding the Fourth Proportional to 706,455,813.74, 1,059,712,938.59 and 208,466,333.31

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Solution

The fourth proportional to 706,455,813.74, 1,059,712,938.59 and 208,466,333.31 is: 312,708,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,455,813.74 : 1,059,712,938.59 = 208,466,333.31 : x
  2. Step 2: Convert to fraction form
    706,455,813.74/1,059,712,938.59 = 208,466,333.31/x
  3. Step 3: Cross multiply
    706,455,813.74x = 1,059,712,938.59 × 208,466,333.31
  4. Step 4: Simplify right side
    706,455,813.74x = 220,914,470,668,976,320
  5. Step 5: Solve for x
    x = 220,914,470,668,976,320/706,455,813.74
  6. Step 6: Final answer
    x = 312,708,121.83

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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.