Home / 555,238,556.52-827,893,854.22-539,983,874.32

Finding the Fourth Proportional to 555,238,556.52, 827,893,854.22 and 539,983,874.32

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Solution

The fourth proportional to 555,238,556.52, 827,893,854.22 and 539,983,874.32 is: 805,148,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,238,556.52 : 827,893,854.22 = 539,983,874.32 : x
  2. Step 2: Convert to fraction form
    555,238,556.52/827,893,854.22 = 539,983,874.32/x
  3. Step 3: Cross multiply
    555,238,556.52x = 827,893,854.22 × 539,983,874.32
  4. Step 4: Simplify right side
    555,238,556.52x = 447,049,330,927,432,960
  5. Step 5: Solve for x
    x = 447,049,330,927,432,960/555,238,556.52
  6. Step 6: Final answer
    x = 805,148,211.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.