Finding the Fourth Proportional to 749,335,177.07, 1,033,736,177.68 and 485,102,711.87
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Solution
The fourth proportional to 749,335,177.07, 1,033,736,177.68 and 485,102,711.87 is: 669,217,512.40
Step by Step Solution
- Step 1: Write the proportion equation
749,335,177.07 : 1,033,736,177.68 = 485,102,711.87 : x - Step 2: Convert to fraction form
749,335,177.07/1,033,736,177.68 = 485,102,711.87/x - Step 3: Cross multiply
749,335,177.07x = 1,033,736,177.68 × 485,102,711.87 - Step 4: Simplify right side
749,335,177.07x = 501,468,223,150,918,144 - Step 5: Solve for x
x = 501,468,223,150,918,144/749,335,177.07 - Step 6: Final answer
x = 669,217,512.40
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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.