Home / 736,824,611.40-1,016,907,128.10-419,362,047.90

Finding the Fourth Proportional to 736,824,611.40, 1,016,907,128.10 and 419,362,047.90

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Solution

The fourth proportional to 736,824,611.40, 1,016,907,128.10 and 419,362,047.90 is: 578,770,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,824,611.40 : 1,016,907,128.10 = 419,362,047.90 : x
  2. Step 2: Convert to fraction form
    736,824,611.40/1,016,907,128.10 = 419,362,047.90/x
  3. Step 3: Cross multiply
    736,824,611.40x = 1,016,907,128.10 × 419,362,047.90
  4. Step 4: Simplify right side
    736,824,611.40x = 426,452,255,764,123,648
  5. Step 5: Solve for x
    x = 426,452,255,764,123,648/736,824,611.40
  6. Step 6: Final answer
    x = 578,770,373.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.