Home / 656,109,367.80-983,492,205.30-383,339,729.40

Finding the Fourth Proportional to 656,109,367.80, 983,492,205.30 and 383,339,729.40

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Solution

The fourth proportional to 656,109,367.80, 983,492,205.30 and 383,339,729.40 is: 574,617,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,109,367.80 : 983,492,205.30 = 383,339,729.40 : x
  2. Step 2: Convert to fraction form
    656,109,367.80/983,492,205.30 = 383,339,729.40/x
  3. Step 3: Cross multiply
    656,109,367.80x = 983,492,205.30 × 383,339,729.40
  4. Step 4: Simplify right side
    656,109,367.80x = 377,011,635,846,711,232
  5. Step 5: Solve for x
    x = 377,011,635,846,711,232/656,109,367.80
  6. Step 6: Final answer
    x = 574,617,059.82

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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.