Finding the Fourth Proportional to 5,302,565,988.91, 7,317,867,686.31 and 2,923,696,569.65
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Solution
The fourth proportional to 5,302,565,988.91, 7,317,867,686.31 and 2,923,696,569.65 is: 4,034,881,356.75
Step by Step Solution
- Step 1: Write the proportion equation
5,302,565,988.91 : 7,317,867,686.31 = 2,923,696,569.65 : x - Step 2: Convert to fraction form
5,302,565,988.91/7,317,867,686.31 = 2,923,696,569.65/x - Step 3: Cross multiply
5,302,565,988.91x = 7,317,867,686.31 × 2,923,696,569.65 - Step 4: Simplify right side
5,302,565,988.91x = 21,395,224,651,616,403,456 - Step 5: Solve for x
x = 21,395,224,651,616,403,456/5,302,565,988.91 - Step 6: Final answer
x = 4,034,881,356.75
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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.