Finding the Fourth Proportional to 2,695,021,121.20, 4,042,531,681.80 and 652,608,065.20
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Solution
The fourth proportional to 2,695,021,121.20, 4,042,531,681.80 and 652,608,065.20 is: 978,912,097.80
Step by Step Solution
- Step 1: Write the proportion equation
2,695,021,121.20 : 4,042,531,681.80 = 652,608,065.20 : x - Step 2: Convert to fraction form
2,695,021,121.20/4,042,531,681.80 = 652,608,065.20/x - Step 3: Cross multiply
2,695,021,121.20x = 4,042,531,681.80 × 652,608,065.20 - Step 4: Simplify right side
2,695,021,121.20x = 2,638,188,779,369,200,128 - Step 5: Solve for x
x = 2,638,188,779,369,200,128/2,695,021,121.20 - Step 6: Final answer
x = 978,912,097.80
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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.