Finding the Fourth Proportional to 1,375,501,636.20, 1,898,184,172.80 and 748,968,564
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Solution
The fourth proportional to 1,375,501,636.20, 1,898,184,172.80 and 748,968,564 is: 1,033,572,215.91
Step by Step Solution
- Step 1: Write the proportion equation
1,375,501,636.20 : 1,898,184,172.80 = 748,968,564 : x - Step 2: Convert to fraction form
1,375,501,636.20/1,898,184,172.80 = 748,968,564/x - Step 3: Cross multiply
1,375,501,636.20x = 1,898,184,172.80 × 748,968,564 - Step 4: Simplify right side
1,375,501,636.20x = 1,421,680,274,109,543,936 - Step 5: Solve for x
x = 1,421,680,274,109,543,936/1,375,501,636.20 - Step 6: Final answer
x = 1,033,572,215.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.