Finding the Fourth Proportional to 38,735,862,328.16, 53,453,838,398.16 and 21,587,803,125.92
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Solution
The fourth proportional to 38,735,862,328.16, 53,453,838,398.16 and 21,587,803,125.92 is: 29,790,247,855.80
Step by Step Solution
- Step 1: Write the proportion equation
38,735,862,328.16 : 53,453,838,398.16 = 21,587,803,125.92 : x - Step 2: Convert to fraction form
38,735,862,328.16/53,453,838,398.16 = 21,587,803,125.92/x - Step 3: Cross multiply
38,735,862,328.16x = 53,453,838,398.16 × 21,587,803,125.92 - Step 4: Simplify right side
38,735,862,328.16x = 1,153,950,939,664,220,946,432 - Step 5: Solve for x
x = 1,153,950,939,664,220,946,432/38,735,862,328.16 - Step 6: Final answer
x = 29,790,247,855.80
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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.