Finding the Fourth Proportional to 886,465,692.30, 1,329,698,538.45 and 272,970,201.90
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Solution
The fourth proportional to 886,465,692.30, 1,329,698,538.45 and 272,970,201.90 is: 409,455,302.85
Step by Step Solution
- Step 1: Write the proportion equation
886,465,692.30 : 1,329,698,538.45 = 272,970,201.90 : x - Step 2: Convert to fraction form
886,465,692.30/1,329,698,538.45 = 272,970,201.90/x - Step 3: Cross multiply
886,465,692.30x = 1,329,698,538.45 × 272,970,201.90 - Step 4: Simplify right side
886,465,692.30x = 362,968,078,506,831,424 - Step 5: Solve for x
x = 362,968,078,506,831,424/886,465,692.30 - Step 6: Final answer
x = 409,455,302.85
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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.