Finding the Fourth Proportional to 652,896,129.80, 979,344,194.70 and 652,896,129.80
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Solution
The fourth proportional to 652,896,129.80, 979,344,194.70 and 652,896,129.80 is: 979,344,194.70
Step by Step Solution
- Step 1: Write the proportion equation
652,896,129.80 : 979,344,194.70 = 652,896,129.80 : x - Step 2: Convert to fraction form
652,896,129.80/979,344,194.70 = 652,896,129.80/x - Step 3: Cross multiply
652,896,129.80x = 979,344,194.70 × 652,896,129.80 - Step 4: Simplify right side
652,896,129.80x = 639,410,034,461,727,616 - Step 5: Solve for x
x = 639,410,034,461,727,616/652,896,129.80 - Step 6: Final answer
x = 979,344,194.70
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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.