Finding the Fourth Proportional to 6,966,773,580.41, 9,613,837,405.85 and 4,070,193,763.61
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Solution
The fourth proportional to 6,966,773,580.41, 9,613,837,405.85 and 4,070,193,763.61 is: 5,616,686,203.74
Step by Step Solution
- Step 1: Write the proportion equation
6,966,773,580.41 : 9,613,837,405.85 = 4,070,193,763.61 : x - Step 2: Convert to fraction form
6,966,773,580.41/9,613,837,405.85 = 4,070,193,763.61/x - Step 3: Cross multiply
6,966,773,580.41x = 9,613,837,405.85 × 4,070,193,763.61 - Step 4: Simplify right side
6,966,773,580.41x = 39,130,181,053,651,214,336 - Step 5: Solve for x
x = 39,130,181,053,651,214,336/6,966,773,580.41 - Step 6: Final answer
x = 5,616,686,203.74
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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.