Finding the Fourth Proportional to 954,751,580.58, 1,432,127,766.36 and 429,507,177.18
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Solution
The fourth proportional to 954,751,580.58, 1,432,127,766.36 and 429,507,177.18 is: 644,260,943.69
Step by Step Solution
- Step 1: Write the proportion equation
954,751,580.58 : 1,432,127,766.36 = 429,507,177.18 : x - Step 2: Convert to fraction form
954,751,580.58/1,432,127,766.36 = 429,507,177.18/x - Step 3: Cross multiply
954,751,580.58x = 1,432,127,766.36 × 429,507,177.18 - Step 4: Simplify right side
954,751,580.58x = 615,109,154,290,382,080 - Step 5: Solve for x
x = 615,109,154,290,382,080/954,751,580.58 - Step 6: Final answer
x = 644,260,943.69
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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.