Finding the Fourth Proportional to 395,137,495, 545,289,743.10 and 221,297,239
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Solution
The fourth proportional to 395,137,495, 545,289,743.10 and 221,297,239 is: 305,390,189.82
Step by Step Solution
- Step 1: Write the proportion equation
395,137,495 : 545,289,743.10 = 221,297,239 : x - Step 2: Convert to fraction form
395,137,495/545,289,743.10 = 221,297,239/x - Step 3: Cross multiply
395,137,495x = 545,289,743.10 × 221,297,239 - Step 4: Simplify right side
395,137,495x = 120,671,114,603,049,312 - Step 5: Solve for x
x = 120,671,114,603,049,312/395,137,495 - Step 6: Final answer
x = 305,390,189.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.