Finding the Fourth Proportional to 938,963,714.18, 1,408,450,430.04 and 550,514,139.62
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Solution
The fourth proportional to 938,963,714.18, 1,408,450,430.04 and 550,514,139.62 is: 825,774,058.13
Step by Step Solution
- Step 1: Write the proportion equation
938,963,714.18 : 1,408,450,430.04 = 550,514,139.62 : x - Step 2: Convert to fraction form
938,963,714.18/1,408,450,430.04 = 550,514,139.62/x - Step 3: Cross multiply
938,963,714.18x = 1,408,450,430.04 × 550,514,139.62 - Step 4: Simplify right side
938,963,714.18x = 775,371,876,690,889,600 - Step 5: Solve for x
x = 775,371,876,690,889,600/938,963,714.18 - Step 6: Final answer
x = 825,774,058.13
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1.5x scale
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.