Finding the Fourth Proportional to 2,808,165,894.54, 3,875,390,750.71 and 1,555,102,750.43
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Solution
The fourth proportional to 2,808,165,894.54, 3,875,390,750.71 and 1,555,102,750.43 is: 2,146,109,254.85
Step by Step Solution
- Step 1: Write the proportion equation
2,808,165,894.54 : 3,875,390,750.71 = 1,555,102,750.43 : x - Step 2: Convert to fraction form
2,808,165,894.54/3,875,390,750.71 = 1,555,102,750.43/x - Step 3: Cross multiply
2,808,165,894.54x = 3,875,390,750.71 × 1,555,102,750.43 - Step 4: Simplify right side
2,808,165,894.54x = 6,026,630,815,411,866,624 - Step 5: Solve for x
x = 6,026,630,815,411,866,624/2,808,165,894.54 - Step 6: Final answer
x = 2,146,109,254.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.