Finding the Fourth Proportional to 944,784,805.80, 1,417,177,208.70 and 906,521,053.80
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Solution
The fourth proportional to 944,784,805.80, 1,417,177,208.70 and 906,521,053.80 is: 1,359,781,580.70
Step by Step Solution
- Step 1: Write the proportion equation
944,784,805.80 : 1,417,177,208.70 = 906,521,053.80 : x - Step 2: Convert to fraction form
944,784,805.80/1,417,177,208.70 = 906,521,053.80/x - Step 3: Cross multiply
944,784,805.80x = 1,417,177,208.70 × 906,521,053.80 - Step 4: Simplify right side
944,784,805.80x = 1,284,700,976,652,066,560 - Step 5: Solve for x
x = 1,284,700,976,652,066,560/944,784,805.80 - Step 6: Final answer
x = 1,359,781,580.70
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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.