Finding the Fourth Proportional to 5,376,173,015.99, 7,419,092,260.74 and 3,118,569,132.71
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Solution
The fourth proportional to 5,376,173,015.99, 7,419,092,260.74 and 3,118,569,132.71 is: 4,303,610,030.45
Step by Step Solution
- Step 1: Write the proportion equation
5,376,173,015.99 : 7,419,092,260.74 = 3,118,569,132.71 : x - Step 2: Convert to fraction form
5,376,173,015.99/7,419,092,260.74 = 3,118,569,132.71/x - Step 3: Cross multiply
5,376,173,015.99x = 7,419,092,260.74 × 3,118,569,132.71 - Step 4: Simplify right side
5,376,173,015.99x = 23,136,952,117,071,413,248 - Step 5: Solve for x
x = 23,136,952,117,071,413,248/5,376,173,015.99 - Step 6: Final answer
x = 4,303,610,030.45
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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.