Finding the Fourth Proportional to 1,037,393,830.24, 1,431,599,205.47 and 561,084,730.99
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Solution
The fourth proportional to 1,037,393,830.24, 1,431,599,205.47 and 561,084,730.99 is: 774,294,613.74
Step by Step Solution
- Step 1: Write the proportion equation
1,037,393,830.24 : 1,431,599,205.47 = 561,084,730.99 : x - Step 2: Convert to fraction form
1,037,393,830.24/1,431,599,205.47 = 561,084,730.99/x - Step 3: Cross multiply
1,037,393,830.24x = 1,431,599,205.47 × 561,084,730.99 - Step 4: Simplify right side
1,037,393,830.24x = 803,248,455,080,248,192 - Step 5: Solve for x
x = 803,248,455,080,248,192/1,037,393,830.24 - Step 6: Final answer
x = 774,294,613.74
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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.