Home / 708,388,103.12-977,889,048.87-457,614,768.83

Finding the Fourth Proportional to 708,388,103.12, 977,889,048.87 and 457,614,768.83

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Solution

The fourth proportional to 708,388,103.12, 977,889,048.87 and 457,614,768.83 is: 631,710,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,388,103.12 : 977,889,048.87 = 457,614,768.83 : x
  2. Step 2: Convert to fraction form
    708,388,103.12/977,889,048.87 = 457,614,768.83/x
  3. Step 3: Cross multiply
    708,388,103.12x = 977,889,048.87 × 457,614,768.83
  4. Step 4: Simplify right side
    708,388,103.12x = 447,496,471,040,033,600
  5. Step 5: Solve for x
    x = 447,496,471,040,033,600/708,388,103.12
  6. Step 6: Final answer
    x = 631,710,878.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.