Finding the Fourth Proportional to 1,552,248,729.20, 2,328,696,575.40 and 517,431,090.80
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Solution
The fourth proportional to 1,552,248,729.20, 2,328,696,575.40 and 517,431,090.80 is: 776,254,466.49
Step by Step Solution
- Step 1: Write the proportion equation
1,552,248,729.20 : 2,328,696,575.40 = 517,431,090.80 : x - Step 2: Convert to fraction form
1,552,248,729.20/2,328,696,575.40 = 517,431,090.80/x - Step 3: Cross multiply
1,552,248,729.20x = 2,328,696,575.40 × 517,431,090.80 - Step 4: Simplify right side
1,552,248,729.20x = 1,204,940,009,151,446,528 - Step 5: Solve for x
x = 1,204,940,009,151,446,528/1,552,248,729.20 - Step 6: Final answer
x = 776,254,466.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.