Home / 462,022,238.12-692,567,017.58-289,620,120.48

Finding the Fourth Proportional to 462,022,238.12, 692,567,017.58 and 289,620,120.48

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Solution

The fourth proportional to 462,022,238.12, 692,567,017.58 and 289,620,120.48 is: 434,137,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,022,238.12 : 692,567,017.58 = 289,620,120.48 : x
  2. Step 2: Convert to fraction form
    462,022,238.12/692,567,017.58 = 289,620,120.48/x
  3. Step 3: Cross multiply
    462,022,238.12x = 692,567,017.58 × 289,620,120.48
  4. Step 4: Simplify right side
    462,022,238.12x = 200,581,343,071,993,888
  5. Step 5: Solve for x
    x = 200,581,343,071,993,888/462,022,238.12
  6. Step 6: Final answer
    x = 434,137,854.25

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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.