Finding the Fourth Proportional to 1,551,473,999.99, 2,327,210,999.98 and 1,551,473,999.99
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Solution
The fourth proportional to 1,551,473,999.99, 2,327,210,999.98 and 1,551,473,999.99 is: 2,327,210,999.98
Step by Step Solution
- Step 1: Write the proportion equation
1,551,473,999.99 : 2,327,210,999.98 = 1,551,473,999.99 : x - Step 2: Convert to fraction form
1,551,473,999.99/2,327,210,999.98 = 1,551,473,999.99/x - Step 3: Cross multiply
1,551,473,999.99x = 2,327,210,999.98 × 1,551,473,999.99 - Step 4: Simplify right side
1,551,473,999.99x = 3,610,607,358,959,698,432 - Step 5: Solve for x
x = 3,610,607,358,959,698,432/1,551,473,999.99 - Step 6: Final answer
x = 2,327,210,999.98
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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.