Home / 641,154,600,521.37-961,894,687,305.08-296,803,859,195.55

Finding the Fourth Proportional to 641,154,600,521.37, 961,894,687,305.08 and 296,803,859,195.55

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Solution

The fourth proportional to 641,154,600,521.37, 961,894,687,305.08 and 296,803,859,195.55 is: 445,281,146,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,154,600,521.37 : 961,894,687,305.08 = 296,803,859,195.55 : x
  2. Step 2: Convert to fraction form
    641,154,600,521.37/961,894,687,305.08 = 296,803,859,195.55/x
  3. Step 3: Cross multiply
    641,154,600,521.37x = 961,894,687,305.08 × 296,803,859,195.55
  4. Step 4: Simplify right side
    641,154,600,521.37x = 285,494,055,331,844,545,576,960
  5. Step 5: Solve for x
    x = 285,494,055,331,844,545,576,960/641,154,600,521.37
  6. Step 6: Final answer
    x = 445,281,146,075.67

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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.