Finding the Fourth Proportional to 1,457,875,174.71, 2,186,909,731.62 and 512,358,907.17
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Solution
The fourth proportional to 1,457,875,174.71, 2,186,909,731.62 and 512,358,907.17 is: 768,572,439.95
Step by Step Solution
- Step 1: Write the proportion equation
1,457,875,174.71 : 2,186,909,731.62 = 512,358,907.17 : x - Step 2: Convert to fraction form
1,457,875,174.71/2,186,909,731.62 = 512,358,907.17/x - Step 3: Cross multiply
1,457,875,174.71x = 2,186,909,731.62 × 512,358,907.17 - Step 4: Simplify right side
1,457,875,174.71x = 1,120,482,680,172,261,120 - Step 5: Solve for x
x = 1,120,482,680,172,261,120/1,457,875,174.71 - Step 6: Final answer
x = 768,572,439.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.