Finding the Fourth Proportional to 756,694,053.14, 1,044,263,558.66 and 439,129,712.12
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Solution
The fourth proportional to 756,694,053.14, 1,044,263,558.66 and 439,129,712.12 is: 606,013,955.03
Step by Step Solution
- Step 1: Write the proportion equation
756,694,053.14 : 1,044,263,558.66 = 439,129,712.12 : x - Step 2: Convert to fraction form
756,694,053.14/1,044,263,558.66 = 439,129,712.12/x - Step 3: Cross multiply
756,694,053.14x = 1,044,263,558.66 × 439,129,712.12 - Step 4: Simplify right side
756,694,053.14x = 458,567,155,884,355,584 - Step 5: Solve for x
x = 458,567,155,884,355,584/756,694,053.14 - Step 6: Final answer
x = 606,013,955.03
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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.