Finding the Fourth Proportional to 1,063,558,754.19, 1,467,955,968.80 and 623,667,323.79
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Solution
The fourth proportional to 1,063,558,754.19, 1,467,955,968.80 and 623,667,323.79 is: 860,804,508.35
Step by Step Solution
- Step 1: Write the proportion equation
1,063,558,754.19 : 1,467,955,968.80 = 623,667,323.79 : x - Step 2: Convert to fraction form
1,063,558,754.19/1,467,955,968.80 = 623,667,323.79/x - Step 3: Cross multiply
1,063,558,754.19x = 1,467,955,968.80 × 623,667,323.79 - Step 4: Simplify right side
1,063,558,754.19x = 915,516,170,499,934,336 - Step 5: Solve for x
x = 915,516,170,499,934,336/1,063,558,754.19 - Step 6: Final answer
x = 860,804,508.35
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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.