Finding the Fourth Proportional to 4,292,352,038.70, 6,438,528,058.05 and 2,979,480,192.30
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Solution
The fourth proportional to 4,292,352,038.70, 6,438,528,058.05 and 2,979,480,192.30 is: 4,469,220,288.45
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,038.70 : 6,438,528,058.05 = 2,979,480,192.30 : x - Step 2: Convert to fraction form
4,292,352,038.70/6,438,528,058.05 = 2,979,480,192.30/x - Step 3: Cross multiply
4,292,352,038.70x = 6,438,528,058.05 × 2,979,480,192.30 - Step 4: Simplify right side
4,292,352,038.70x = 19,183,466,816,527,761,408 - Step 5: Solve for x
x = 19,183,466,816,527,761,408/4,292,352,038.70 - Step 6: Final answer
x = 4,469,220,288.45
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Double scale
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Similar ratio
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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.