Home / 384,914,890.80-577,372,336.20-377,262,140.40

Finding the Fourth Proportional to 384,914,890.80, 577,372,336.20 and 377,262,140.40

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Solution

The fourth proportional to 384,914,890.80, 577,372,336.20 and 377,262,140.40 is: 565,893,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,914,890.80 : 577,372,336.20 = 377,262,140.40 : x
  2. Step 2: Convert to fraction form
    384,914,890.80/577,372,336.20 = 377,262,140.40/x
  3. Step 3: Cross multiply
    384,914,890.80x = 577,372,336.20 × 377,262,140.40
  4. Step 4: Simplify right side
    384,914,890.80x = 217,820,723,362,560,416
  5. Step 5: Solve for x
    x = 217,820,723,362,560,416/384,914,890.80
  6. Step 6: Final answer
    x = 565,893,210.60

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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.