Finding the Fourth Proportional to 864,260,895.60, 1,296,389,422.08 and 667,809,964.80
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Solution
The fourth proportional to 864,260,895.60, 1,296,389,422.08 and 667,809,964.80 is: 1,001,713,462.61
Step by Step Solution
- Step 1: Write the proportion equation
864,260,895.60 : 1,296,389,422.08 = 667,809,964.80 : x - Step 2: Convert to fraction form
864,260,895.60/1,296,389,422.08 = 667,809,964.80/x - Step 3: Cross multiply
864,260,895.60x = 1,296,389,422.08 × 667,809,964.80 - Step 4: Simplify right side
864,260,895.60x = 865,741,774,326,337,024 - Step 5: Solve for x
x = 865,741,774,326,337,024/864,260,895.60 - Step 6: Final answer
x = 1,001,713,462.61
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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.