Finding the Fourth Proportional to 896,159,471.60, 1,344,239,207.40 and 788,664,047.60
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Solution
The fourth proportional to 896,159,471.60, 1,344,239,207.40 and 788,664,047.60 is: 1,182,996,071.40
Step by Step Solution
- Step 1: Write the proportion equation
896,159,471.60 : 1,344,239,207.40 = 788,664,047.60 : x - Step 2: Convert to fraction form
896,159,471.60/1,344,239,207.40 = 788,664,047.60/x - Step 3: Cross multiply
896,159,471.60x = 1,344,239,207.40 × 788,664,047.60 - Step 4: Simplify right side
896,159,471.60x = 1,060,153,134,250,700,032 - Step 5: Solve for x
x = 1,060,153,134,250,700,032/896,159,471.60 - Step 6: Final answer
x = 1,182,996,071.40
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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.