Finding the Fourth Proportional to 660,588,525.47, 910,765,916.71 and 541,070,821.44
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Solution
The fourth proportional to 660,588,525.47, 910,765,916.71 and 541,070,821.44 is: 745,984,593.58
Step by Step Solution
- Step 1: Write the proportion equation
660,588,525.47 : 910,765,916.71 = 541,070,821.44 : x - Step 2: Convert to fraction form
660,588,525.47/910,765,916.71 = 541,070,821.44/x - Step 3: Cross multiply
660,588,525.47x = 910,765,916.71 × 541,070,821.44 - Step 4: Simplify right side
660,588,525.47x = 492,788,862,693,834,368 - Step 5: Solve for x
x = 492,788,862,693,834,368/660,588,525.47 - Step 6: Final answer
x = 745,984,593.58
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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.