Finding the Fourth Proportional to 487,768,370.56, 731,535,406.14 and 225,200,646.02
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Solution
The fourth proportional to 487,768,370.56, 731,535,406.14 and 225,200,646.02 is: 337,746,881.50
Step by Step Solution
- Step 1: Write the proportion equation
487,768,370.56 : 731,535,406.14 = 225,200,646.02 : x - Step 2: Convert to fraction form
487,768,370.56/731,535,406.14 = 225,200,646.02/x - Step 3: Cross multiply
487,768,370.56x = 731,535,406.14 × 225,200,646.02 - Step 4: Simplify right side
487,768,370.56x = 164,742,246,047,471,008 - Step 5: Solve for x
x = 164,742,246,047,471,008/487,768,370.56 - Step 6: Final answer
x = 337,746,881.50
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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.