Finding the Fourth Proportional to 875,191,064.70, 1,207,767,308.11 and 473,304,813.41
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Solution
The fourth proportional to 875,191,064.70, 1,207,767,308.11 and 473,304,813.41 is: 653,162,610.39
Step by Step Solution
- Step 1: Write the proportion equation
875,191,064.70 : 1,207,767,308.11 = 473,304,813.41 : x - Step 2: Convert to fraction form
875,191,064.70/1,207,767,308.11 = 473,304,813.41/x - Step 3: Cross multiply
875,191,064.70x = 1,207,767,308.11 × 473,304,813.41 - Step 4: Simplify right side
875,191,064.70x = 571,642,080,407,701,504 - Step 5: Solve for x
x = 571,642,080,407,701,504/875,191,064.70 - Step 6: Final answer
x = 653,162,610.39
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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.