Finding the Fourth Proportional to 546,971,746.59, 754,070,869.41 and 345,928,418.99
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Solution
The fourth proportional to 546,971,746.59, 754,070,869.41 and 345,928,418.99 is: 476,906,796.89
Step by Step Solution
- Step 1: Write the proportion equation
546,971,746.59 : 754,070,869.41 = 345,928,418.99 : x - Step 2: Convert to fraction form
546,971,746.59/754,070,869.41 = 345,928,418.99/x - Step 3: Cross multiply
546,971,746.59x = 754,070,869.41 × 345,928,418.99 - Step 4: Simplify right side
546,971,746.59x = 260,854,543,657,645,696 - Step 5: Solve for x
x = 260,854,543,657,645,696/546,971,746.59 - Step 6: Final answer
x = 476,906,796.89
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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.