Home / 842,473,015.01-1,263,881,880.18-289,703,653.10

Finding the Fourth Proportional to 842,473,015.01, 1,263,881,880.18 and 289,703,653.10

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Solution

The fourth proportional to 842,473,015.01, 1,263,881,880.18 and 289,703,653.10 is: 434,614,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,473,015.01 : 1,263,881,880.18 = 289,703,653.10 : x
  2. Step 2: Convert to fraction form
    842,473,015.01/1,263,881,880.18 = 289,703,653.10/x
  3. Step 3: Cross multiply
    842,473,015.01x = 1,263,881,880.18 × 289,703,653.10
  4. Step 4: Simplify right side
    842,473,015.01x = 366,151,197,775,042,560
  5. Step 5: Solve for x
    x = 366,151,197,775,042,560/842,473,015.01
  6. Step 6: Final answer
    x = 434,614,748.78

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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.