Home / 710,014,227.12-979,800,838.13-396,751,015.26

Finding the Fourth Proportional to 710,014,227.12, 979,800,838.13 and 396,751,015.26

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Solution

The fourth proportional to 710,014,227.12, 979,800,838.13 and 396,751,015.26 is: 547,505,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,014,227.12 : 979,800,838.13 = 396,751,015.26 : x
  2. Step 2: Convert to fraction form
    710,014,227.12/979,800,838.13 = 396,751,015.26/x
  3. Step 3: Cross multiply
    710,014,227.12x = 979,800,838.13 × 396,751,015.26
  4. Step 4: Simplify right side
    710,014,227.12x = 388,736,977,280,676,416
  5. Step 5: Solve for x
    x = 388,736,977,280,676,416/710,014,227.12
  6. Step 6: Final answer
    x = 547,505,898.38

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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.