Home / 30,556,746,970.89-45,835,109,668.31-8,171,913,533.42

Finding the Fourth Proportional to 30,556,746,970.89, 45,835,109,668.31 and 8,171,913,533.42

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Solution

The fourth proportional to 30,556,746,970.89, 45,835,109,668.31 and 8,171,913,533.42 is: 12,257,867,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,746,970.89 : 45,835,109,668.31 = 8,171,913,533.42 : x
  2. Step 2: Convert to fraction form
    30,556,746,970.89/45,835,109,668.31 = 8,171,913,533.42/x
  3. Step 3: Cross multiply
    30,556,746,970.89x = 45,835,109,668.31 × 8,171,913,533.42
  4. Step 4: Simplify right side
    30,556,746,970.89x = 374,560,553,003,982,323,712
  5. Step 5: Solve for x
    x = 374,560,553,003,982,323,712/30,556,746,970.89
  6. Step 6: Final answer
    x = 12,257,867,415.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.