Finding the Fourth Proportional to 1,132,263,589.23, 1,562,508,854.22 and 623,616,535.07
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Solution
The fourth proportional to 1,132,263,589.23, 1,562,508,854.22 and 623,616,535.07 is: 860,582,612.52
Step by Step Solution
- Step 1: Write the proportion equation
1,132,263,589.23 : 1,562,508,854.22 = 623,616,535.07 : x - Step 2: Convert to fraction form
1,132,263,589.23/1,562,508,854.22 = 623,616,535.07/x - Step 3: Cross multiply
1,132,263,589.23x = 1,562,508,854.22 × 623,616,535.07 - Step 4: Simplify right side
1,132,263,589.23x = 974,406,357,681,734,272 - Step 5: Solve for x
x = 974,406,357,681,734,272/1,132,263,589.23 - Step 6: Final answer
x = 860,582,612.52
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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.