Home / 485,600,122,176.52-670,101,619,967.76-265,826,298,799.84

Finding the Fourth Proportional to 485,600,122,176.52, 670,101,619,967.76 and 265,826,298,799.84

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Solution

The fourth proportional to 485,600,122,176.52, 670,101,619,967.76 and 265,826,298,799.84 is: 366,825,759,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,600,122,176.52 : 670,101,619,967.76 = 265,826,298,799.84 : x
  2. Step 2: Convert to fraction form
    485,600,122,176.52/670,101,619,967.76 = 265,826,298,799.84/x
  3. Step 3: Cross multiply
    485,600,122,176.52x = 670,101,619,967.76 × 265,826,298,799.84
  4. Step 4: Simplify right side
    485,600,122,176.52x = 178,130,633,455,806,611,193,856
  5. Step 5: Solve for x
    x = 178,130,633,455,806,611,193,856/485,600,122,176.52
  6. Step 6: Final answer
    x = 366,825,759,139.85

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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.