Home / 612,532,909,567.75-845,369,538,162.40-348,621,774,680.39

Finding the Fourth Proportional to 612,532,909,567.75, 845,369,538,162.40 and 348,621,774,680.39

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Solution

The fourth proportional to 612,532,909,567.75, 845,369,538,162.40 and 348,621,774,680.39 is: 481,140,235,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,532,909,567.75 : 845,369,538,162.40 = 348,621,774,680.39 : x
  2. Step 2: Convert to fraction form
    612,532,909,567.75/845,369,538,162.40 = 348,621,774,680.39/x
  3. Step 3: Cross multiply
    612,532,909,567.75x = 845,369,538,162.40 × 348,621,774,680.39
  4. Step 4: Simplify right side
    612,532,909,567.75x = 294,714,228,654,917,594,120,192
  5. Step 5: Solve for x
    x = 294,714,228,654,917,594,120,192/612,532,909,567.75
  6. Step 6: Final answer
    x = 481,140,235,979.96

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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.