Finding the Fourth Proportional to 889,489,521.36, 1,332,357,274.71 and 713,660,605.20
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Solution
The fourth proportional to 889,489,521.36, 1,332,357,274.71 and 713,660,605.20 is: 1,068,984,935.94
Step by Step Solution
- Step 1: Write the proportion equation
889,489,521.36 : 1,332,357,274.71 = 713,660,605.20 : x - Step 2: Convert to fraction form
889,489,521.36/1,332,357,274.71 = 713,660,605.20/x - Step 3: Cross multiply
889,489,521.36x = 1,332,357,274.71 × 713,660,605.20 - Step 4: Simplify right side
889,489,521.36x = 950,850,899,012,161,408 - Step 5: Solve for x
x = 950,850,899,012,161,408/889,489,521.36 - Step 6: Final answer
x = 1,068,984,935.94
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1.5x scale
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.