Finding the Fourth Proportional to 645,983,737.08, 891,339,966.96 and 363,682,277.88
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Solution
The fourth proportional to 645,983,737.08, 891,339,966.96 and 363,682,277.88 is: 501,815,341.38
Step by Step Solution
- Step 1: Write the proportion equation
645,983,737.08 : 891,339,966.96 = 363,682,277.88 : x - Step 2: Convert to fraction form
645,983,737.08/891,339,966.96 = 363,682,277.88/x - Step 3: Cross multiply
645,983,737.08x = 891,339,966.96 × 363,682,277.88 - Step 4: Simplify right side
645,983,737.08x = 324,164,549,549,496,768 - Step 5: Solve for x
x = 324,164,549,549,496,768/645,983,737.08 - Step 6: Final answer
x = 501,815,341.38
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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.