Finding the Fourth Proportional to 475,126,781.31, 655,700,656.35 and 266,349,987.63
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Solution
The fourth proportional to 475,126,781.31, 655,700,656.35 and 266,349,987.63 is: 367,577,388.98
Step by Step Solution
- Step 1: Write the proportion equation
475,126,781.31 : 655,700,656.35 = 266,349,987.63 : x - Step 2: Convert to fraction form
475,126,781.31/655,700,656.35 = 266,349,987.63/x - Step 3: Cross multiply
475,126,781.31x = 655,700,656.35 × 266,349,987.63 - Step 4: Simplify right side
475,126,781.31x = 174,645,861,707,805,376 - Step 5: Solve for x
x = 174,645,861,707,805,376/475,126,781.31 - Step 6: Final answer
x = 367,577,388.98
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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.