Home / 784,015,299.61-1,176,017,717.93-317,669,843.40

Finding the Fourth Proportional to 784,015,299.61, 1,176,017,717.93 and 317,669,843.40

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Solution

The fourth proportional to 784,015,299.61, 1,176,017,717.93 and 317,669,843.40 is: 476,502,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,015,299.61 : 1,176,017,717.93 = 317,669,843.40 : x
  2. Step 2: Convert to fraction form
    784,015,299.61/1,176,017,717.93 = 317,669,843.40/x
  3. Step 3: Cross multiply
    784,015,299.61x = 1,176,017,717.93 × 317,669,843.40
  4. Step 4: Simplify right side
    784,015,299.61x = 373,585,364,284,450,048
  5. Step 5: Solve for x
    x = 373,585,364,284,450,048/784,015,299.61
  6. Step 6: Final answer
    x = 476,502,645.38

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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.