Finding the Fourth Proportional to 11,390,756,695,983, 15,720,591,833,326 and 6,766,267,117,021.60
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Solution
The fourth proportional to 11,390,756,695,983, 15,720,591,833,326 and 6,766,267,117,021.60 is: 9,338,249,110,303.95
Step by Step Solution
- Step 1: Write the proportion equation
11,390,756,695,983 : 15,720,591,833,326 = 6,766,267,117,021.60 : x - Step 2: Convert to fraction form
11,390,756,695,983/15,720,591,833,326 = 6,766,267,117,021.60/x - Step 3: Cross multiply
11,390,756,695,983x = 15,720,591,833,326 × 6,766,267,117,021.60 - Step 4: Simplify right side
11,390,756,695,983x = 106,369,723,581,952,021,300,772,864 - Step 5: Solve for x
x = 106,369,723,581,952,021,300,772,864/11,390,756,695,983 - Step 6: Final answer
x = 9,338,249,110,303.95
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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.