Finding the Fourth Proportional to 896,159,514.60, 1,344,239,271.90 and 788,664,090.60
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Solution
The fourth proportional to 896,159,514.60, 1,344,239,271.90 and 788,664,090.60 is: 1,182,996,135.90
Step by Step Solution
- Step 1: Write the proportion equation
896,159,514.60 : 1,344,239,271.90 = 788,664,090.60 : x - Step 2: Convert to fraction form
896,159,514.60/1,344,239,271.90 = 788,664,090.60/x - Step 3: Cross multiply
896,159,514.60x = 1,344,239,271.90 × 788,664,090.60 - Step 4: Simplify right side
896,159,514.60x = 1,060,153,242,921,819,776 - Step 5: Solve for x
x = 1,060,153,242,921,819,776/896,159,514.60 - Step 6: Final answer
x = 1,182,996,135.90
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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.