Finding the Fourth Proportional to 2,057,120,289.99, 2,838,777,714.45 and 1,210,402,454.94
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Solution
The fourth proportional to 2,057,120,289.99, 2,838,777,714.45 and 1,210,402,454.94 is: 1,670,326,976.66
Step by Step Solution
- Step 1: Write the proportion equation
2,057,120,289.99 : 2,838,777,714.45 = 1,210,402,454.94 : x - Step 2: Convert to fraction form
2,057,120,289.99/2,838,777,714.45 = 1,210,402,454.94/x - Step 3: Cross multiply
2,057,120,289.99x = 2,838,777,714.45 × 1,210,402,454.94 - Step 4: Simplify right side
2,057,120,289.99x = 3,436,063,514,599,242,240 - Step 5: Solve for x
x = 3,436,063,514,599,242,240/2,057,120,289.99 - Step 6: Final answer
x = 1,670,326,976.66
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1.5x scale
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.