Finding the Fourth Proportional to 7,026,740,312.48, 10,539,722,501.22 and 5,137,872,120.58
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Solution
The fourth proportional to 7,026,740,312.48, 10,539,722,501.22 and 5,137,872,120.58 is: 7,706,524,503.48
Step by Step Solution
- Step 1: Write the proportion equation
7,026,740,312.48 : 10,539,722,501.22 = 5,137,872,120.58 : x - Step 2: Convert to fraction form
7,026,740,312.48/10,539,722,501.22 = 5,137,872,120.58/x - Step 3: Cross multiply
7,026,740,312.48x = 10,539,722,501.22 × 5,137,872,120.58 - Step 4: Simplify right side
7,026,740,312.48x = 54,151,746,397,668,605,952 - Step 5: Solve for x
x = 54,151,746,397,668,605,952/7,026,740,312.48 - Step 6: Final answer
x = 7,706,524,503.48
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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.