Finding the Fourth Proportional to 944,784,817.60, 1,417,177,226.40 and 864,430,938.40
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Solution
The fourth proportional to 944,784,817.60, 1,417,177,226.40 and 864,430,938.40 is: 1,296,646,407.60
Step by Step Solution
- Step 1: Write the proportion equation
944,784,817.60 : 1,417,177,226.40 = 864,430,938.40 : x - Step 2: Convert to fraction form
944,784,817.60/1,417,177,226.40 = 864,430,938.40/x - Step 3: Cross multiply
944,784,817.60x = 1,417,177,226.40 × 864,430,938.40 - Step 4: Simplify right side
944,784,817.60x = 1,225,051,839,696,061,184 - Step 5: Solve for x
x = 1,225,051,839,696,061,184/944,784,817.60 - Step 6: Final answer
x = 1,296,646,407.60
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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.