Finding the Fourth Proportional to 7,821,156,296.16, 10,791,887,208.75 and 4,606,706,303.10
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Solution
The fourth proportional to 7,821,156,296.16, 10,791,887,208.75 and 4,606,706,303.10 is: 6,356,483,996.02
Step by Step Solution
- Step 1: Write the proportion equation
7,821,156,296.16 : 10,791,887,208.75 = 4,606,706,303.10 : x - Step 2: Convert to fraction form
7,821,156,296.16/10,791,887,208.75 = 4,606,706,303.10/x - Step 3: Cross multiply
7,821,156,296.16x = 10,791,887,208.75 × 4,606,706,303.10 - Step 4: Simplify right side
7,821,156,296.16x = 49,715,054,826,892,894,208 - Step 5: Solve for x
x = 49,715,054,826,892,894,208/7,821,156,296.16 - Step 6: Final answer
x = 6,356,483,996.02
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Double scale
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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.