Finding the Fourth Proportional to 5,432,521,569.30, 8,148,782,353.95 and 4,743,774,033.30
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Solution
The fourth proportional to 5,432,521,569.30, 8,148,782,353.95 and 4,743,774,033.30 is: 7,115,661,049.95
Step by Step Solution
- Step 1: Write the proportion equation
5,432,521,569.30 : 8,148,782,353.95 = 4,743,774,033.30 : x - Step 2: Convert to fraction form
5,432,521,569.30/8,148,782,353.95 = 4,743,774,033.30/x - Step 3: Cross multiply
5,432,521,569.30x = 8,148,782,353.95 × 4,743,774,033.30 - Step 4: Simplify right side
5,432,521,569.30x = 38,655,982,133,681,258,496 - Step 5: Solve for x
x = 38,655,982,133,681,258,496/5,432,521,569.30 - Step 6: Final answer
x = 7,115,661,049.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.