Finding the Fourth Proportional to 1,549,225,501.44, 2,137,975,998.66 and 844,423,132.83
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Solution
The fourth proportional to 1,549,225,501.44, 2,137,975,998.66 and 844,423,132.83 is: 1,165,328,345.70
Step by Step Solution
- Step 1: Write the proportion equation
1,549,225,501.44 : 2,137,975,998.66 = 844,423,132.83 : x - Step 2: Convert to fraction form
1,549,225,501.44/2,137,975,998.66 = 844,423,132.83/x - Step 3: Cross multiply
1,549,225,501.44x = 2,137,975,998.66 × 844,423,132.83 - Step 4: Simplify right side
1,549,225,501.44x = 1,805,356,390,703,825,152 - Step 5: Solve for x
x = 1,805,356,390,703,825,152/1,549,225,501.44 - Step 6: Final answer
x = 1,165,328,345.70
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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.