Home / 10,618,990,929.40-15,946,626,246.90-6,954,740,663.80

Finding the Fourth Proportional to 10,618,990,929.40, 15,946,626,246.90 and 6,954,740,663.80

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Solution

The fourth proportional to 10,618,990,929.40, 15,946,626,246.90 and 6,954,740,663.80 is: 10,443,991,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618,990,929.40 : 15,946,626,246.90 = 6,954,740,663.80 : x
  2. Step 2: Convert to fraction form
    10,618,990,929.40/15,946,626,246.90 = 6,954,740,663.80/x
  3. Step 3: Cross multiply
    10,618,990,929.40x = 15,946,626,246.90 × 6,954,740,663.80
  4. Step 4: Simplify right side
    10,618,990,929.40x = 110,904,650,009,735,806,976
  5. Step 5: Solve for x
    x = 110,904,650,009,735,806,976/10,618,990,929.40
  6. Step 6: Final answer
    x = 10,443,991,406.25

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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.