Finding the Fourth Proportional to 2,897,471,893.60, 4,346,774,710.80 and 1,239,375,973.60
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Solution
The fourth proportional to 2,897,471,893.60, 4,346,774,710.80 and 1,239,375,973.60 is: 1,859,306,435.76
Step by Step Solution
- Step 1: Write the proportion equation
2,897,471,893.60 : 4,346,774,710.80 = 1,239,375,973.60 : x - Step 2: Convert to fraction form
2,897,471,893.60/4,346,774,710.80 = 1,239,375,973.60/x - Step 3: Cross multiply
2,897,471,893.60x = 4,346,774,710.80 × 1,239,375,973.60 - Step 4: Simplify right side
2,897,471,893.60x = 5,387,288,139,217,608,704 - Step 5: Solve for x
x = 5,387,288,139,217,608,704/2,897,471,893.60 - Step 6: Final answer
x = 1,859,306,435.76
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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.