Finding the Fourth Proportional to 1,787,617,246.96, 2,681,811,820.32 and 544,144,946.68
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Solution
The fourth proportional to 1,787,617,246.96, 2,681,811,820.32 and 544,144,946.68 is: 816,334,901.92
Step by Step Solution
- Step 1: Write the proportion equation
1,787,617,246.96 : 2,681,811,820.32 = 544,144,946.68 : x - Step 2: Convert to fraction form
1,787,617,246.96/2,681,811,820.32 = 544,144,946.68/x - Step 3: Cross multiply
1,787,617,246.96x = 2,681,811,820.32 × 544,144,946.68 - Step 4: Simplify right side
1,787,617,246.96x = 1,459,294,349,973,820,160 - Step 5: Solve for x
x = 1,459,294,349,973,820,160/1,787,617,246.96 - Step 6: Final answer
x = 816,334,901.92
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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.