Finding the Fourth Proportional to 8,613,818,282.76, 11,887,916,636.86 and 5,226,461,718.19
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Solution
The fourth proportional to 8,613,818,282.76, 11,887,916,636.86 and 5,226,461,718.19 is: 7,213,031,337.80
Step by Step Solution
- Step 1: Write the proportion equation
8,613,818,282.76 : 11,887,916,636.86 = 5,226,461,718.19 : x - Step 2: Convert to fraction form
8,613,818,282.76/11,887,916,636.86 = 5,226,461,718.19/x - Step 3: Cross multiply
8,613,818,282.76x = 11,887,916,636.86 × 5,226,461,718.19 - Step 4: Simplify right side
8,613,818,282.76x = 62,131,741,211,611,578,368 - Step 5: Solve for x
x = 62,131,741,211,611,578,368/8,613,818,282.76 - Step 6: Final answer
x = 7,213,031,337.80
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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.