Finding the Fourth Proportional to 70,505,205,303.28, 97,296,768,890.97 and 38,390,490,563.63
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Solution
The fourth proportional to 70,505,205,303.28, 97,296,768,890.97 and 38,390,490,563.63 is: 52,978,651,319.61
Step by Step Solution
- Step 1: Write the proportion equation
70,505,205,303.28 : 97,296,768,890.97 = 38,390,490,563.63 : x - Step 2: Convert to fraction form
70,505,205,303.28/97,296,768,890.97 = 38,390,490,563.63/x - Step 3: Cross multiply
70,505,205,303.28x = 97,296,768,890.97 × 38,390,490,563.63 - Step 4: Simplify right side
70,505,205,303.28x = 3,735,270,687,979,870,879,744 - Step 5: Solve for x
x = 3,735,270,687,979,870,879,744/70,505,205,303.28 - Step 6: Final answer
x = 52,978,651,319.61
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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.