Finding the Fourth Proportional to 868,416,106.60, 1,302,624,159.90 and 623,528,093.80
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Solution
The fourth proportional to 868,416,106.60, 1,302,624,159.90 and 623,528,093.80 is: 935,292,140.70
Step by Step Solution
- Step 1: Write the proportion equation
868,416,106.60 : 1,302,624,159.90 = 623,528,093.80 : x - Step 2: Convert to fraction form
868,416,106.60/1,302,624,159.90 = 623,528,093.80/x - Step 3: Cross multiply
868,416,106.60x = 1,302,624,159.90 × 623,528,093.80 - Step 4: Simplify right side
868,416,106.60x = 812,222,759,360,273,408 - Step 5: Solve for x
x = 812,222,759,360,273,408/868,416,106.60 - Step 6: Final answer
x = 935,292,140.70
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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.