Finding the Fourth Proportional to 19,246,234,780.29, 28,852,659,607 and 7,447,232,186.13
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Solution
The fourth proportional to 19,246,234,780.29, 28,852,659,607 and 7,447,232,186.13 is: 11,164,389,177.08
Step by Step Solution
- Step 1: Write the proportion equation
19,246,234,780.29 : 28,852,659,607 = 7,447,232,186.13 : x - Step 2: Convert to fraction form
19,246,234,780.29/28,852,659,607 = 7,447,232,186.13/x - Step 3: Cross multiply
19,246,234,780.29x = 28,852,659,607 × 7,447,232,186.13 - Step 4: Simplify right side
19,246,234,780.29x = 214,872,455,280,703,373,312 - Step 5: Solve for x
x = 214,872,455,280,703,373,312/19,246,234,780.29 - Step 6: Final answer
x = 11,164,389,177.08
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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.