Home / 28,362,845,311.03-39,140,631,504.11-15,502,477,821.40

Finding the Fourth Proportional to 28,362,845,311.03, 39,140,631,504.11 and 15,502,477,821.40

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Solution

The fourth proportional to 28,362,845,311.03, 39,140,631,504.11 and 15,502,477,821.40 is: 21,393,367,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362,845,311.03 : 39,140,631,504.11 = 15,502,477,821.40 : x
  2. Step 2: Convert to fraction form
    28,362,845,311.03/39,140,631,504.11 = 15,502,477,821.40/x
  3. Step 3: Cross multiply
    28,362,845,311.03x = 39,140,631,504.11 × 15,502,477,821.40
  4. Step 4: Simplify right side
    28,362,845,311.03x = 606,776,771,807,946,211,328
  5. Step 5: Solve for x
    x = 606,776,771,807,946,211,328/28,362,845,311.03
  6. Step 6: Final answer
    x = 21,393,367,455.00

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1.5x scale

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.