Home / 710,014,225.98-979,800,836.55-396,751,014.12

Finding the Fourth Proportional to 710,014,225.98, 979,800,836.55 and 396,751,014.12

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Solution

The fourth proportional to 710,014,225.98, 979,800,836.55 and 396,751,014.12 is: 547,505,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,014,225.98 : 979,800,836.55 = 396,751,014.12 : x
  2. Step 2: Convert to fraction form
    710,014,225.98/979,800,836.55 = 396,751,014.12/x
  3. Step 3: Cross multiply
    710,014,225.98x = 979,800,836.55 × 396,751,014.12
  4. Step 4: Simplify right side
    710,014,225.98x = 388,736,975,537,828,736
  5. Step 5: Solve for x
    x = 388,736,975,537,828,736/710,014,225.98
  6. Step 6: Final answer
    x = 547,505,896.80

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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.