Home / 708,620,746.98-1,062,837,799.56-210,620,631

Finding the Fourth Proportional to 708,620,746.98, 1,062,837,799.56 and 210,620,631

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Solution

The fourth proportional to 708,620,746.98, 1,062,837,799.56 and 210,620,631 is: 315,903,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,620,746.98 : 1,062,837,799.56 = 210,620,631 : x
  2. Step 2: Convert to fraction form
    708,620,746.98/1,062,837,799.56 = 210,620,631/x
  3. Step 3: Cross multiply
    708,620,746.98x = 1,062,837,799.56 × 210,620,631
  4. Step 4: Simplify right side
    708,620,746.98x = 223,855,567,993,978,720
  5. Step 5: Solve for x
    x = 223,855,567,993,978,720/708,620,746.98
  6. Step 6: Final answer
    x = 315,903,209.08

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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.