Finding the Fourth Proportional to 889,489,526.36, 1,332,357,282.20 and 713,660,610.20
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Solution
The fourth proportional to 889,489,526.36, 1,332,357,282.20 and 713,660,610.20 is: 1,068,984,943.43
Step by Step Solution
- Step 1: Write the proportion equation
889,489,526.36 : 1,332,357,282.20 = 713,660,610.20 : x - Step 2: Convert to fraction form
889,489,526.36/1,332,357,282.20 = 713,660,610.20/x - Step 3: Cross multiply
889,489,526.36x = 1,332,357,282.20 × 713,660,610.20 - Step 4: Simplify right side
889,489,526.36x = 950,850,911,019,265,664 - Step 5: Solve for x
x = 950,850,911,019,265,664/889,489,526.36 - Step 6: Final answer
x = 1,068,984,943.43
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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.