Finding the Fourth Proportional to 1,132,020,952.67, 1,698,807,065.89 and 395,090,856.99
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Solution
The fourth proportional to 1,132,020,952.67, 1,698,807,065.89 and 395,090,856.99 is: 592,906,993.42
Step by Step Solution
- Step 1: Write the proportion equation
1,132,020,952.67 : 1,698,807,065.89 = 395,090,856.99 : x - Step 2: Convert to fraction form
1,132,020,952.67/1,698,807,065.89 = 395,090,856.99/x - Step 3: Cross multiply
1,132,020,952.67x = 1,698,807,065.89 × 395,090,856.99 - Step 4: Simplify right side
1,132,020,952.67x = 671,183,139,527,394,560 - Step 5: Solve for x
x = 671,183,139,527,394,560/1,132,020,952.67 - Step 6: Final answer
x = 592,906,993.42
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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.