Finding the Fourth Proportional to 1,077,657,368.20, 1,616,486,052.30 and 974,345,237.80
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Solution
The fourth proportional to 1,077,657,368.20, 1,616,486,052.30 and 974,345,237.80 is: 1,461,517,856.70
Step by Step Solution
- Step 1: Write the proportion equation
1,077,657,368.20 : 1,616,486,052.30 = 974,345,237.80 : x - Step 2: Convert to fraction form
1,077,657,368.20/1,616,486,052.30 = 974,345,237.80/x - Step 3: Cross multiply
1,077,657,368.20x = 1,616,486,052.30 × 974,345,237.80 - Step 4: Simplify right side
1,077,657,368.20x = 1,575,015,487,028,626,688 - Step 5: Solve for x
x = 1,575,015,487,028,626,688/1,077,657,368.20 - Step 6: Final answer
x = 1,461,517,856.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.