Home / 384,607,477.80-576,911,216.70-111,987,138.60

Finding the Fourth Proportional to 384,607,477.80, 576,911,216.70 and 111,987,138.60

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Solution

The fourth proportional to 384,607,477.80, 576,911,216.70 and 111,987,138.60 is: 167,980,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,607,477.80 : 576,911,216.70 = 111,987,138.60 : x
  2. Step 2: Convert to fraction form
    384,607,477.80/576,911,216.70 = 111,987,138.60/x
  3. Step 3: Cross multiply
    384,607,477.80x = 576,911,216.70 × 111,987,138.60
  4. Step 4: Simplify right side
    384,607,477.80x = 64,606,636,384,477,536
  5. Step 5: Solve for x
    x = 64,606,636,384,477,536/384,607,477.80
  6. Step 6: Final answer
    x = 167,980,707.90

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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.