Finding the Fourth Proportional to 901,969,053, 1,244,696,122.96 and 530,715,130.44
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Solution
The fourth proportional to 901,969,053, 1,244,696,122.96 and 530,715,130.44 is: 732,374,423.55
Step by Step Solution
- Step 1: Write the proportion equation
901,969,053 : 1,244,696,122.96 = 530,715,130.44 : x - Step 2: Convert to fraction form
901,969,053/1,244,696,122.96 = 530,715,130.44/x - Step 3: Cross multiply
901,969,053x = 1,244,696,122.96 × 530,715,130.44 - Step 4: Simplify right side
901,969,053x = 660,579,065,254,878,720 - Step 5: Solve for x
x = 660,579,065,254,878,720/901,969,053 - Step 6: Final answer
x = 732,374,423.55
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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.