Home / 30,556,746,969.99-45,835,109,666.96-8,171,913,532.53

Finding the Fourth Proportional to 30,556,746,969.99, 45,835,109,666.96 and 8,171,913,532.53

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Solution

The fourth proportional to 30,556,746,969.99, 45,835,109,666.96 and 8,171,913,532.53 is: 12,257,867,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,746,969.99 : 45,835,109,666.96 = 8,171,913,532.53 : x
  2. Step 2: Convert to fraction form
    30,556,746,969.99/45,835,109,666.96 = 8,171,913,532.53/x
  3. Step 3: Cross multiply
    30,556,746,969.99x = 45,835,109,666.96 × 8,171,913,532.53
  4. Step 4: Simplify right side
    30,556,746,969.99x = 374,560,552,952,197,873,664
  5. Step 5: Solve for x
    x = 374,560,552,952,197,873,664/30,556,746,969.99
  6. Step 6: Final answer
    x = 12,257,867,413.70

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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.