Finding the Fourth Proportional to 5,918,339,365.48, 8,167,243,303.76 and 3,205,539,678.96
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Solution
The fourth proportional to 5,918,339,365.48, 8,167,243,303.76 and 3,205,539,678.96 is: 4,423,609,539.97
Step by Step Solution
- Step 1: Write the proportion equation
5,918,339,365.48 : 8,167,243,303.76 = 3,205,539,678.96 : x - Step 2: Convert to fraction form
5,918,339,365.48/8,167,243,303.76 = 3,205,539,678.96/x - Step 3: Cross multiply
5,918,339,365.48x = 8,167,243,303.76 × 3,205,539,678.96 - Step 4: Simplify right side
5,918,339,365.48x = 26,180,422,477,923,041,280 - Step 5: Solve for x
x = 26,180,422,477,923,041,280/5,918,339,365.48 - Step 6: Final answer
x = 4,423,609,539.97
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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.