Finding the Fourth Proportional to 1,046,582,419.10, 1,569,873,628.65 and 319,569,964.70
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Solution
The fourth proportional to 1,046,582,419.10, 1,569,873,628.65 and 319,569,964.70 is: 479,354,947.05
Step by Step Solution
- Step 1: Write the proportion equation
1,046,582,419.10 : 1,569,873,628.65 = 319,569,964.70 : x - Step 2: Convert to fraction form
1,046,582,419.10/1,569,873,628.65 = 319,569,964.70/x - Step 3: Cross multiply
1,046,582,419.10x = 1,569,873,628.65 × 319,569,964.70 - Step 4: Simplify right side
1,046,582,419.10x = 501,684,460,091,141,440 - Step 5: Solve for x
x = 501,684,460,091,141,440/1,046,582,419.10 - Step 6: Final answer
x = 479,354,947.05
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Similar ratio
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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.