Finding the Fourth Proportional to 539,668,499.76, 744,742,770.12 and 292,149,846
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Solution
The fourth proportional to 539,668,499.76, 744,742,770.12 and 292,149,846 is: 403,166,917.65
Step by Step Solution
- Step 1: Write the proportion equation
539,668,499.76 : 744,742,770.12 = 292,149,846 : x - Step 2: Convert to fraction form
539,668,499.76/744,742,770.12 = 292,149,846/x - Step 3: Cross multiply
539,668,499.76x = 744,742,770.12 × 292,149,846 - Step 4: Simplify right side
539,668,499.76x = 217,576,485,600,171,392 - Step 5: Solve for x
x = 217,576,485,600,171,392/539,668,499.76 - Step 6: Final answer
x = 403,166,917.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.