Finding the Fourth Proportional to 607,630,878.60, 911,471,201.10 and 176,809,374.60
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Solution
The fourth proportional to 607,630,878.60, 911,471,201.10 and 176,809,374.60 is: 265,221,302.45
Step by Step Solution
- Step 1: Write the proportion equation
607,630,878.60 : 911,471,201.10 = 176,809,374.60 : x - Step 2: Convert to fraction form
607,630,878.60/911,471,201.10 = 176,809,374.60/x - Step 3: Cross multiply
607,630,878.60x = 911,471,201.10 × 176,809,374.60 - Step 4: Simplify right side
607,630,878.60x = 161,156,653,032,401,824 - Step 5: Solve for x
x = 161,156,653,032,401,824/607,630,878.60 - Step 6: Final answer
x = 265,221,302.45
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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.