Home / 863,492,390.62-1,295,312,756.25-303,206,061.01

Finding the Fourth Proportional to 863,492,390.62, 1,295,312,756.25 and 303,206,061.01

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Solution

The fourth proportional to 863,492,390.62, 1,295,312,756.25 and 303,206,061.01 is: 454,835,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,492,390.62 : 1,295,312,756.25 = 303,206,061.01 : x
  2. Step 2: Convert to fraction form
    863,492,390.62/1,295,312,756.25 = 303,206,061.01/x
  3. Step 3: Cross multiply
    863,492,390.62x = 1,295,312,756.25 × 303,206,061.01
  4. Step 4: Simplify right side
    863,492,390.62x = 392,746,678,598,568,768
  5. Step 5: Solve for x
    x = 392,746,678,598,568,768/863,492,390.62
  6. Step 6: Final answer
    x = 454,835,135.62

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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.