Finding the Fourth Proportional to 1,753,863,251.76, 2,420,023,636.89 and 1,000,832,612.40
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Solution
The fourth proportional to 1,753,863,251.76, 2,420,023,636.89 and 1,000,832,612.40 is: 1,380,973,445.99
Step by Step Solution
- Step 1: Write the proportion equation
1,753,863,251.76 : 2,420,023,636.89 = 1,000,832,612.40 : x - Step 2: Convert to fraction form
1,753,863,251.76/2,420,023,636.89 = 1,000,832,612.40/x - Step 3: Cross multiply
1,753,863,251.76x = 2,420,023,636.89 × 1,000,832,612.40 - Step 4: Simplify right side
1,753,863,251.76x = 2,422,038,578,578,367,488 - Step 5: Solve for x
x = 2,422,038,578,578,367,488/1,753,863,251.76 - Step 6: Final answer
x = 1,380,973,445.99
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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.