Finding the Fourth Proportional to 512,038,989.68, 706,537,794.42 and 310,991,242.66
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Solution
The fourth proportional to 512,038,989.68, 706,537,794.42 and 310,991,242.66 is: 429,121,748.74
Step by Step Solution
- Step 1: Write the proportion equation
512,038,989.68 : 706,537,794.42 = 310,991,242.66 : x - Step 2: Convert to fraction form
512,038,989.68/706,537,794.42 = 310,991,242.66/x - Step 3: Cross multiply
512,038,989.68x = 706,537,794.42 × 310,991,242.66 - Step 4: Simplify right side
512,038,989.68x = 219,727,066,671,165,088 - Step 5: Solve for x
x = 219,727,066,671,165,088/512,038,989.68 - Step 6: Final answer
x = 429,121,748.74
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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.