Finding the Fourth Proportional to 592,012,258.56, 816,879,461.76 and 371,838,862.08
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Solution
The fourth proportional to 592,012,258.56, 816,879,461.76 and 371,838,862.08 is: 513,076,418.82
Step by Step Solution
- Step 1: Write the proportion equation
592,012,258.56 : 816,879,461.76 = 371,838,862.08 : x - Step 2: Convert to fraction form
592,012,258.56/816,879,461.76 = 371,838,862.08/x - Step 3: Cross multiply
592,012,258.56x = 816,879,461.76 × 371,838,862.08 - Step 4: Simplify right side
592,012,258.56x = 303,747,529,517,361,280 - Step 5: Solve for x
x = 303,747,529,517,361,280/592,012,258.56 - Step 6: Final answer
x = 513,076,418.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.