Home / 19,297,740,948.80-28,946,611,423.20-8,257,373,038.40

Finding the Fourth Proportional to 19,297,740,948.80, 28,946,611,423.20 and 8,257,373,038.40

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Solution

The fourth proportional to 19,297,740,948.80, 28,946,611,423.20 and 8,257,373,038.40 is: 12,386,059,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297,740,948.80 : 28,946,611,423.20 = 8,257,373,038.40 : x
  2. Step 2: Convert to fraction form
    19,297,740,948.80/28,946,611,423.20 = 8,257,373,038.40/x
  3. Step 3: Cross multiply
    19,297,740,948.80x = 28,946,611,423.20 × 8,257,373,038.40
  4. Step 4: Simplify right side
    19,297,740,948.80x = 239,022,968,718,973,140,992
  5. Step 5: Solve for x
    x = 239,022,968,718,973,140,992/19,297,740,948.80
  6. Step 6: Final answer
    x = 12,386,059,557.60

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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.