Home / 1,508,138,993.04-2,262,185,786.07-678,506,769.93

Finding the Fourth Proportional to 1,508,138,993.04, 2,262,185,786.07 and 678,506,769.93

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Solution

The fourth proportional to 1,508,138,993.04, 2,262,185,786.07 and 678,506,769.93 is: 1,017,749,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,138,993.04 : 2,262,185,786.07 = 678,506,769.93 : x
  2. Step 2: Convert to fraction form
    1,508,138,993.04/2,262,185,786.07 = 678,506,769.93/x
  3. Step 3: Cross multiply
    1,508,138,993.04x = 2,262,185,786.07 × 678,506,769.93
  4. Step 4: Simplify right side
    1,508,138,993.04x = 1,534,908,370,687,913,728
  5. Step 5: Solve for x
    x = 1,534,908,370,687,913,728/1,508,138,993.04
  6. Step 6: Final answer
    x = 1,017,749,940.67

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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.