Finding the Fourth Proportional to 13,175,344,070.05, 18,181,464,868.48 and 7,153,711,651.99
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Solution
The fourth proportional to 13,175,344,070.05, 18,181,464,868.48 and 7,153,711,651.99 is: 9,871,845,197.23
Step by Step Solution
- Step 1: Write the proportion equation
13,175,344,070.05 : 18,181,464,868.48 = 7,153,711,651.99 : x - Step 2: Convert to fraction form
13,175,344,070.05/18,181,464,868.48 = 7,153,711,651.99/x - Step 3: Cross multiply
13,175,344,070.05x = 18,181,464,868.48 × 7,153,711,651.99 - Step 4: Simplify right side
13,175,344,070.05x = 130,064,957,079,872,454,656 - Step 5: Solve for x
x = 130,064,957,079,872,454,656/13,175,344,070.05 - Step 6: Final answer
x = 9,871,845,197.23
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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.