Home / 7,239,211,012.80-10,864,191,290.40-2,880,271,569.60

Finding the Fourth Proportional to 7,239,211,012.80, 10,864,191,290.40 and 2,880,271,569.60

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Solution

The fourth proportional to 7,239,211,012.80, 10,864,191,290.40 and 2,880,271,569.60 is: 4,322,545,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,211,012.80 : 10,864,191,290.40 = 2,880,271,569.60 : x
  2. Step 2: Convert to fraction form
    7,239,211,012.80/10,864,191,290.40 = 2,880,271,569.60/x
  3. Step 3: Cross multiply
    7,239,211,012.80x = 10,864,191,290.40 × 2,880,271,569.60
  4. Step 4: Simplify right side
    7,239,211,012.80x = 31,291,821,300,435,054,592
  5. Step 5: Solve for x
    x = 31,291,821,300,435,054,592/7,239,211,012.80
  6. Step 6: Final answer
    x = 4,322,545,819.58

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1.5x scale

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.