Finding the Fourth Proportional to 529,916,620.47, 794,961,274.14 and 156,462,256.92
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Solution
The fourth proportional to 529,916,620.47, 794,961,274.14 and 156,462,256.92 is: 234,718,878.99
Step by Step Solution
- Step 1: Write the proportion equation
529,916,620.47 : 794,961,274.14 = 156,462,256.92 : x - Step 2: Convert to fraction form
529,916,620.47/794,961,274.14 = 156,462,256.92/x - Step 3: Cross multiply
529,916,620.47x = 794,961,274.14 × 156,462,256.92 - Step 4: Simplify right side
529,916,620.47x = 124,381,435,115,943,216 - Step 5: Solve for x
x = 124,381,435,115,943,216/529,916,620.47 - Step 6: Final answer
x = 234,718,878.99
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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.