Finding the Fourth Proportional to 717,579,623.70, 1,007,332,451.10 and 717,579,623.70
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Solution
The fourth proportional to 717,579,623.70, 1,007,332,451.10 and 717,579,623.70 is: 1,007,332,451.10
Step by Step Solution
- Step 1: Write the proportion equation
717,579,623.70 : 1,007,332,451.10 = 717,579,623.70 : x - Step 2: Convert to fraction form
717,579,623.70/1,007,332,451.10 = 717,579,623.70/x - Step 3: Cross multiply
717,579,623.70x = 1,007,332,451.10 × 717,579,623.70 - Step 4: Simplify right side
717,579,623.70x = 722,841,241,201,136,768 - Step 5: Solve for x
x = 722,841,241,201,136,768/717,579,623.70 - Step 6: Final answer
x = 1,007,332,451.10
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.