Finding the Fourth Proportional to 70,365,139,266.66, 97,103,202,327.69 and 38,248,590,557.22
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Solution
The fourth proportional to 70,365,139,266.66, 97,103,202,327.69 and 38,248,590,557.22 is: 52,782,679,979.52
Step by Step Solution
- Step 1: Write the proportion equation
70,365,139,266.66 : 97,103,202,327.69 = 38,248,590,557.22 : x - Step 2: Convert to fraction form
70,365,139,266.66/97,103,202,327.69 = 38,248,590,557.22/x - Step 3: Cross multiply
70,365,139,266.66x = 97,103,202,327.69 × 38,248,590,557.22 - Step 4: Simplify right side
70,365,139,266.66x = 3,714,060,627,626,706,862,080 - Step 5: Solve for x
x = 3,714,060,627,626,706,862,080/70,365,139,266.66 - Step 6: Final answer
x = 52,782,679,979.52
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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.