Finding the Fourth Proportional to 532,293,739.20, 797,246,215.20 and 436,742,251.20
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Solution
The fourth proportional to 532,293,739.20, 797,246,215.20 and 436,742,251.20 is: 654,133,387.54
Step by Step Solution
- Step 1: Write the proportion equation
532,293,739.20 : 797,246,215.20 = 436,742,251.20 : x - Step 2: Convert to fraction form
532,293,739.20/797,246,215.20 = 436,742,251.20/x - Step 3: Cross multiply
532,293,739.20x = 797,246,215.20 × 436,742,251.20 - Step 4: Simplify right side
532,293,739.20x = 348,191,106,787,127,680 - Step 5: Solve for x
x = 348,191,106,787,127,680/532,293,739.20 - Step 6: Final answer
x = 654,133,387.54
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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.