Finding the Fourth Proportional to 6,701,493,042.20, 9,249,065,811.68 and 5,091,298,347.62
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Solution
The fourth proportional to 6,701,493,042.20, 9,249,065,811.68 and 5,091,298,347.62 is: 7,026,755,558.42
Step by Step Solution
- Step 1: Write the proportion equation
6,701,493,042.20 : 9,249,065,811.68 = 5,091,298,347.62 : x - Step 2: Convert to fraction form
6,701,493,042.20/9,249,065,811.68 = 5,091,298,347.62/x - Step 3: Cross multiply
6,701,493,042.20x = 9,249,065,811.68 × 5,091,298,347.62 - Step 4: Simplify right side
6,701,493,042.20x = 47,089,753,483,963,310,080 - Step 5: Solve for x
x = 47,089,753,483,963,310,080/6,701,493,042.20 - Step 6: Final answer
x = 7,026,755,558.42
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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.