Finding the Fourth Proportional to 1,419,038,486.80, 2,128,557,730.20 and 1,029,031,651.60
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Solution
The fourth proportional to 1,419,038,486.80, 2,128,557,730.20 and 1,029,031,651.60 is: 1,543,547,477.40
Step by Step Solution
- Step 1: Write the proportion equation
1,419,038,486.80 : 2,128,557,730.20 = 1,029,031,651.60 : x - Step 2: Convert to fraction form
1,419,038,486.80/2,128,557,730.20 = 1,029,031,651.60/x - Step 3: Cross multiply
1,419,038,486.80x = 2,128,557,730.20 × 1,029,031,651.60 - Step 4: Simplify right side
1,419,038,486.80x = 2,190,353,276,633,653,248 - Step 5: Solve for x
x = 2,190,353,276,633,653,248/1,419,038,486.80 - Step 6: Final answer
x = 1,543,547,477.40
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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.