Home / 30,912,245,999.40-46,368,368,999.10-28,830,697,890.60

Finding the Fourth Proportional to 30,912,245,999.40, 46,368,368,999.10 and 28,830,697,890.60

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Solution

The fourth proportional to 30,912,245,999.40, 46,368,368,999.10 and 28,830,697,890.60 is: 43,246,046,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912,245,999.40 : 46,368,368,999.10 = 28,830,697,890.60 : x
  2. Step 2: Convert to fraction form
    30,912,245,999.40/46,368,368,999.10 = 28,830,697,890.60/x
  3. Step 3: Cross multiply
    30,912,245,999.40x = 46,368,368,999.10 × 28,830,697,890.60
  4. Step 4: Simplify right side
    30,912,245,999.40x = 1,336,832,438,292,914,634,752
  5. Step 5: Solve for x
    x = 1,336,832,438,292,914,634,752/30,912,245,999.40
  6. Step 6: Final answer
    x = 43,246,046,835.90

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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.