Home / 377,544,603,782.88-521,011,762,260.14-203,929,742,439.36

Finding the Fourth Proportional to 377,544,603,782.88, 521,011,762,260.14 and 203,929,742,439.36

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Solution

The fourth proportional to 377,544,603,782.88, 521,011,762,260.14 and 203,929,742,439.36 is: 281,423,157,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,544,603,782.88 : 521,011,762,260.14 = 203,929,742,439.36 : x
  2. Step 2: Convert to fraction form
    377,544,603,782.88/521,011,762,260.14 = 203,929,742,439.36/x
  3. Step 3: Cross multiply
    377,544,603,782.88x = 521,011,762,260.14 × 203,929,742,439.36
  4. Step 4: Simplify right side
    377,544,603,782.88x = 106,249,794,485,587,405,701,120
  5. Step 5: Solve for x
    x = 106,249,794,485,587,405,701,120/377,544,603,782.88
  6. Step 6: Final answer
    x = 281,423,157,478.61

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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.