Finding the Fourth Proportional to 745,024,543.72, 1,117,709,731.06 and 253,742,069.68
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Solution
The fourth proportional to 745,024,543.72, 1,117,709,731.06 and 253,742,069.68 is: 380,671,996.45
Step by Step Solution
- Step 1: Write the proportion equation
745,024,543.72 : 1,117,709,731.06 = 253,742,069.68 : x - Step 2: Convert to fraction form
745,024,543.72/1,117,709,731.06 = 253,742,069.68/x - Step 3: Cross multiply
745,024,543.72x = 1,117,709,731.06 × 253,742,069.68 - Step 4: Simplify right side
745,024,543.72x = 283,609,980,460,640,576 - Step 5: Solve for x
x = 283,609,980,460,640,576/745,024,543.72 - Step 6: Final answer
x = 380,671,996.45
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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.