Home / 947,722,407.60-1,421,583,611.40-786,479,271.60

Finding the Fourth Proportional to 947,722,407.60, 1,421,583,611.40 and 786,479,271.60

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Solution

The fourth proportional to 947,722,407.60, 1,421,583,611.40 and 786,479,271.60 is: 1,179,718,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,722,407.60 : 1,421,583,611.40 = 786,479,271.60 : x
  2. Step 2: Convert to fraction form
    947,722,407.60/1,421,583,611.40 = 786,479,271.60/x
  3. Step 3: Cross multiply
    947,722,407.60x = 1,421,583,611.40 × 786,479,271.60
  4. Step 4: Simplify right side
    947,722,407.60x = 1,118,046,043,212,369,536
  5. Step 5: Solve for x
    x = 1,118,046,043,212,369,536/947,722,407.60
  6. Step 6: Final answer
    x = 1,179,718,907.40

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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.