Home / 384,952,771.20-577,429,156.80-180,879,427.20

Finding the Fourth Proportional to 384,952,771.20, 577,429,156.80 and 180,879,427.20

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Solution

The fourth proportional to 384,952,771.20, 577,429,156.80 and 180,879,427.20 is: 271,319,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,952,771.20 : 577,429,156.80 = 180,879,427.20 : x
  2. Step 2: Convert to fraction form
    384,952,771.20/577,429,156.80 = 180,879,427.20/x
  3. Step 3: Cross multiply
    384,952,771.20x = 577,429,156.80 × 180,879,427.20
  4. Step 4: Simplify right side
    384,952,771.20x = 104,445,055,130,562,976
  5. Step 5: Solve for x
    x = 104,445,055,130,562,976/384,952,771.20
  6. Step 6: Final answer
    x = 271,319,140.80

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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.