Finding the Fourth Proportional to 546,971,747.59, 754,070,870.79 and 345,928,419.99
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Solution
The fourth proportional to 546,971,747.59, 754,070,870.79 and 345,928,419.99 is: 476,906,798.28
Step by Step Solution
- Step 1: Write the proportion equation
546,971,747.59 : 754,070,870.79 = 345,928,419.99 : x - Step 2: Convert to fraction form
546,971,747.59/754,070,870.79 = 345,928,419.99/x - Step 3: Cross multiply
546,971,747.59x = 754,070,870.79 × 345,928,419.99 - Step 4: Simplify right side
546,971,747.59x = 260,854,544,892,868,128 - Step 5: Solve for x
x = 260,854,544,892,868,128/546,971,747.59 - Step 6: Final answer
x = 476,906,798.28
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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.