Finding the Fourth Proportional to 4,212,249,834.05, 5,813,087,495.35 and 2,332,655,117.88
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Solution
The fourth proportional to 4,212,249,834.05, 5,813,087,495.35 and 2,332,655,117.88 is: 3,219,165,251.57
Step by Step Solution
- Step 1: Write the proportion equation
4,212,249,834.05 : 5,813,087,495.35 = 2,332,655,117.88 : x - Step 2: Convert to fraction form
4,212,249,834.05/5,813,087,495.35 = 2,332,655,117.88/x - Step 3: Cross multiply
4,212,249,834.05x = 5,813,087,495.35 × 2,332,655,117.88 - Step 4: Simplify right side
4,212,249,834.05x = 13,559,928,296,700,745,728 - Step 5: Solve for x
x = 13,559,928,296,700,745,728/4,212,249,834.05 - Step 6: Final answer
x = 3,219,165,251.57
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1.5x scale
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.