Home / 19,157,039,409.30-28,735,559,113.95-11,320,622,999.70

Finding the Fourth Proportional to 19,157,039,409.30, 28,735,559,113.95 and 11,320,622,999.70

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Solution

The fourth proportional to 19,157,039,409.30, 28,735,559,113.95 and 11,320,622,999.70 is: 16,980,934,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,039,409.30 : 28,735,559,113.95 = 11,320,622,999.70 : x
  2. Step 2: Convert to fraction form
    19,157,039,409.30/28,735,559,113.95 = 11,320,622,999.70/x
  3. Step 3: Cross multiply
    19,157,039,409.30x = 28,735,559,113.95 × 11,320,622,999.70
  4. Step 4: Simplify right side
    19,157,039,409.30x = 325,304,431,414,621,372,416
  5. Step 5: Solve for x
    x = 325,304,431,414,621,372,416/19,157,039,409.30
  6. Step 6: Final answer
    x = 16,980,934,499.55

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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.