Finding the Fourth Proportional to 7,488,333,603.70, 11,232,500,405.55 and 5,311,551,267.70
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Solution
The fourth proportional to 7,488,333,603.70, 11,232,500,405.55 and 5,311,551,267.70 is: 7,967,326,901.55
Step by Step Solution
- Step 1: Write the proportion equation
7,488,333,603.70 : 11,232,500,405.55 = 5,311,551,267.70 : x - Step 2: Convert to fraction form
7,488,333,603.70/11,232,500,405.55 = 5,311,551,267.70/x - Step 3: Cross multiply
7,488,333,603.70x = 11,232,500,405.55 × 5,311,551,267.70 - Step 4: Simplify right side
7,488,333,603.70x = 59,662,001,768,539,856,896 - Step 5: Solve for x
x = 59,662,001,768,539,856,896/7,488,333,603.70 - Step 6: Final answer
x = 7,967,326,901.55
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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.