Finding the Fourth Proportional to 1,497,730,836.72, 2,246,902,664.04 and 515,029,751.55
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Solution
The fourth proportional to 1,497,730,836.72, 2,246,902,664.04 and 515,029,751.55 is: 772,649,993.21
Step by Step Solution
- Step 1: Write the proportion equation
1,497,730,836.72 : 2,246,902,664.04 = 515,029,751.55 : x - Step 2: Convert to fraction form
1,497,730,836.72/2,246,902,664.04 = 515,029,751.55/x - Step 3: Cross multiply
1,497,730,836.72x = 2,246,902,664.04 × 515,029,751.55 - Step 4: Simplify right side
1,497,730,836.72x = 1,157,221,720,817,554,432 - Step 5: Solve for x
x = 1,157,221,720,817,554,432/1,497,730,836.72 - Step 6: Final answer
x = 772,649,993.21
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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.