Finding the Fourth Proportional to 2,385,163,437.76, 3,579,379,420.38 and 832,454,758.90
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Solution
The fourth proportional to 2,385,163,437.76, 3,579,379,420.38 and 832,454,758.90 is: 1,249,252,518.81
Step by Step Solution
- Step 1: Write the proportion equation
2,385,163,437.76 : 3,579,379,420.38 = 832,454,758.90 : x - Step 2: Convert to fraction form
2,385,163,437.76/3,579,379,420.38 = 832,454,758.90/x - Step 3: Cross multiply
2,385,163,437.76x = 3,579,379,420.38 × 832,454,758.90 - Step 4: Simplify right side
2,385,163,437.76x = 2,979,671,432,404,054,528 - Step 5: Solve for x
x = 2,979,671,432,404,054,528/2,385,163,437.76 - Step 6: Final answer
x = 1,249,252,518.81
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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.