Home / 706,758,690.88-1,060,252,968.86-208,819,731.52

Finding the Fourth Proportional to 706,758,690.88, 1,060,252,968.86 and 208,819,731.52

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Solution

The fourth proportional to 706,758,690.88, 1,060,252,968.86 and 208,819,731.52 is: 313,263,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,758,690.88 : 1,060,252,968.86 = 208,819,731.52 : x
  2. Step 2: Convert to fraction form
    706,758,690.88/1,060,252,968.86 = 208,819,731.52/x
  3. Step 3: Cross multiply
    706,758,690.88x = 1,060,252,968.86 × 208,819,731.52
  4. Step 4: Simplify right side
    706,758,690.88x = 221,401,740,300,628,128
  5. Step 5: Solve for x
    x = 221,401,740,300,628,128/706,758,690.88
  6. Step 6: Final answer
    x = 313,263,555.38

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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.