Home / 842,473,607.01-1,263,882,765.51-289,704,246.63

Finding the Fourth Proportional to 842,473,607.01, 1,263,882,765.51 and 289,704,246.63

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Solution

The fourth proportional to 842,473,607.01, 1,263,882,765.51 and 289,704,246.63 is: 434,615,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,473,607.01 : 1,263,882,765.51 = 289,704,246.63 : x
  2. Step 2: Convert to fraction form
    842,473,607.01/1,263,882,765.51 = 289,704,246.63/x
  3. Step 3: Cross multiply
    842,473,607.01x = 1,263,882,765.51 × 289,704,246.63
  4. Step 4: Simplify right side
    842,473,607.01x = 366,152,204,410,715,520
  5. Step 5: Solve for x
    x = 366,152,204,410,715,520/842,473,607.01
  6. Step 6: Final answer
    x = 434,615,638.24

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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.