Finding the Fourth Proportional to 2,071,575,206.28, 2,858,774,931.48 and 1,118,955,939.12
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Solution
The fourth proportional to 2,071,575,206.28, 2,858,774,931.48 and 1,118,955,939.12 is: 1,544,159,815.43
Step by Step Solution
- Step 1: Write the proportion equation
2,071,575,206.28 : 2,858,774,931.48 = 1,118,955,939.12 : x - Step 2: Convert to fraction form
2,071,575,206.28/2,858,774,931.48 = 1,118,955,939.12/x - Step 3: Cross multiply
2,071,575,206.28x = 2,858,774,931.48 × 1,118,955,939.12 - Step 4: Simplify right side
2,071,575,206.28x = 3,198,843,188,186,916,864 - Step 5: Solve for x
x = 3,198,843,188,186,916,864/2,071,575,206.28 - Step 6: Final answer
x = 1,544,159,815.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.