Finding the Fourth Proportional to 1,739,645,282.48, 2,400,710,881.40 and 957,364,130.48
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Solution
The fourth proportional to 1,739,645,282.48, 2,400,710,881.40 and 957,364,130.48 is: 1,321,162,715.56
Step by Step Solution
- Step 1: Write the proportion equation
1,739,645,282.48 : 2,400,710,881.40 = 957,364,130.48 : x - Step 2: Convert to fraction form
1,739,645,282.48/2,400,710,881.40 = 957,364,130.48/x - Step 3: Cross multiply
1,739,645,282.48x = 2,400,710,881.40 × 957,364,130.48 - Step 4: Simplify right side
1,739,645,282.48x = 2,298,354,485,505,385,472 - Step 5: Solve for x
x = 2,298,354,485,505,385,472/1,739,645,282.48 - Step 6: Final answer
x = 1,321,162,715.56
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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.