Finding the Fourth Proportional to 487,768,382.19, 731,535,423.58 and 225,200,657.66
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Solution
The fourth proportional to 487,768,382.19, 731,535,423.58 and 225,200,657.66 is: 337,746,898.95
Step by Step Solution
- Step 1: Write the proportion equation
487,768,382.19 : 731,535,423.58 = 225,200,657.66 : x - Step 2: Convert to fraction form
487,768,382.19/731,535,423.58 = 225,200,657.66/x - Step 3: Cross multiply
487,768,382.19x = 731,535,423.58 × 225,200,657.66 - Step 4: Simplify right side
487,768,382.19x = 164,742,258,491,802,688 - Step 5: Solve for x
x = 164,742,258,491,802,688/487,768,382.19 - Step 6: Final answer
x = 337,746,898.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.