Home / 493,860,271.80-741,077,385.90-221,231,038.80

Finding the Fourth Proportional to 493,860,271.80, 741,077,385.90 and 221,231,038.80

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Solution

The fourth proportional to 493,860,271.80, 741,077,385.90 and 221,231,038.80 is: 331,975,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,860,271.80 : 741,077,385.90 = 221,231,038.80 : x
  2. Step 2: Convert to fraction form
    493,860,271.80/741,077,385.90 = 221,231,038.80/x
  3. Step 3: Cross multiply
    493,860,271.80x = 741,077,385.90 × 221,231,038.80
  4. Step 4: Simplify right side
    493,860,271.80x = 163,949,319,913,845,472
  5. Step 5: Solve for x
    x = 163,949,319,913,845,472/493,860,271.80
  6. Step 6: Final answer
    x = 331,975,113.76

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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.