Home / 784,015,292.67-1,176,017,707.52-317,669,836.46

Finding the Fourth Proportional to 784,015,292.67, 1,176,017,707.52 and 317,669,836.46

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Solution

The fourth proportional to 784,015,292.67, 1,176,017,707.52 and 317,669,836.46 is: 476,502,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,015,292.67 : 1,176,017,707.52 = 317,669,836.46 : x
  2. Step 2: Convert to fraction form
    784,015,292.67/1,176,017,707.52 = 317,669,836.46/x
  3. Step 3: Cross multiply
    784,015,292.67x = 1,176,017,707.52 × 317,669,836.46
  4. Step 4: Simplify right side
    784,015,292.67x = 373,585,352,820,091,328
  5. Step 5: Solve for x
    x = 373,585,352,820,091,328/784,015,292.67
  6. Step 6: Final answer
    x = 476,502,634.98

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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.