Finding the Fourth Proportional to 1,743,043,438.08, 2,613,017,131.29 and 679,219,973.46
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Solution
The fourth proportional to 1,743,043,438.08, 2,613,017,131.29 and 679,219,973.46 is: 1,018,226,733.65
Step by Step Solution
- Step 1: Write the proportion equation
1,743,043,438.08 : 2,613,017,131.29 = 679,219,973.46 : x - Step 2: Convert to fraction form
1,743,043,438.08/2,613,017,131.29 = 679,219,973.46/x - Step 3: Cross multiply
1,743,043,438.08x = 2,613,017,131.29 × 679,219,973.46 - Step 4: Simplify right side
1,743,043,438.08x = 1,774,813,426,565,319,168 - Step 5: Solve for x
x = 1,774,813,426,565,319,168/1,743,043,438.08 - Step 6: Final answer
x = 1,018,226,733.65
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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.