Finding the Fourth Proportional to 1,495,742,478.31, 2,243,659,425.08 and 513,155,234.70
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Solution
The fourth proportional to 1,495,742,478.31, 2,243,659,425.08 and 513,155,234.70 is: 769,748,533.29
Step by Step Solution
- Step 1: Write the proportion equation
1,495,742,478.31 : 2,243,659,425.08 = 513,155,234.70 : x - Step 2: Convert to fraction form
1,495,742,478.31/2,243,659,425.08 = 513,155,234.70/x - Step 3: Cross multiply
1,495,742,478.31x = 2,243,659,425.08 × 513,155,234.70 - Step 4: Simplify right side
1,495,742,478.31x = 1,151,345,578,863,794,432 - Step 5: Solve for x
x = 1,151,345,578,863,794,432/1,495,742,478.31 - Step 6: Final answer
x = 769,748,533.29
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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.