Finding the Fourth Proportional to 669,953,115.48, 924,530,197.18 and 368,531,953.07
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Solution
The fourth proportional to 669,953,115.48, 924,530,197.18 and 368,531,953.07 is: 508,571,288.60
Step by Step Solution
- Step 1: Write the proportion equation
669,953,115.48 : 924,530,197.18 = 368,531,953.07 : x - Step 2: Convert to fraction form
669,953,115.48/924,530,197.18 = 368,531,953.07/x - Step 3: Cross multiply
669,953,115.48x = 924,530,197.18 × 368,531,953.07 - Step 4: Simplify right side
669,953,115.48x = 340,718,919,238,937,600 - Step 5: Solve for x
x = 340,718,919,238,937,600/669,953,115.48 - Step 6: Final answer
x = 508,571,288.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.