Finding the Fourth Proportional to 6,911,564,202.48, 9,534,444,750.96 and 4,198,109,936.70
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Solution
The fourth proportional to 6,911,564,202.48, 9,534,444,750.96 and 4,198,109,936.70 is: 5,791,257,387.95
Step by Step Solution
- Step 1: Write the proportion equation
6,911,564,202.48 : 9,534,444,750.96 = 4,198,109,936.70 : x - Step 2: Convert to fraction form
6,911,564,202.48/9,534,444,750.96 = 4,198,109,936.70/x - Step 3: Cross multiply
6,911,564,202.48x = 9,534,444,750.96 × 4,198,109,936.70 - Step 4: Simplify right side
6,911,564,202.48x = 40,026,647,249,922,326,528 - Step 5: Solve for x
x = 40,026,647,249,922,326,528/6,911,564,202.48 - Step 6: Final answer
x = 5,791,257,387.95
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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.