Finding the Fourth Proportional to 5,171,432,264.12, 7,758,237,842.42 and 1,677,564,928.28
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Solution
The fourth proportional to 5,171,432,264.12, 7,758,237,842.42 and 1,677,564,928.28 is: 2,516,700,798.73
Step by Step Solution
- Step 1: Write the proportion equation
5,171,432,264.12 : 7,758,237,842.42 = 1,677,564,928.28 : x - Step 2: Convert to fraction form
5,171,432,264.12/7,758,237,842.42 = 1,677,564,928.28/x - Step 3: Cross multiply
5,171,432,264.12x = 7,758,237,842.42 × 1,677,564,928.28 - Step 4: Simplify right side
5,171,432,264.12x = 13,014,947,709,698,488,320 - Step 5: Solve for x
x = 13,014,947,709,698,488,320/5,171,432,264.12 - Step 6: Final answer
x = 2,516,700,798.73
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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.