Finding the Fourth Proportional to 2,303,497,958,817.80, 3,178,878,547,809 and 1,314,687,239,060.80
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Solution
The fourth proportional to 2,303,497,958,817.80, 3,178,878,547,809 and 1,314,687,239,060.80 is: 1,814,297,705,509.36
Step by Step Solution
- Step 1: Write the proportion equation
2,303,497,958,817.80 : 3,178,878,547,809 = 1,314,687,239,060.80 : x - Step 2: Convert to fraction form
2,303,497,958,817.80/3,178,878,547,809 = 1,314,687,239,060.80/x - Step 3: Cross multiply
2,303,497,958,817.80x = 3,178,878,547,809 × 1,314,687,239,060.80 - Step 4: Simplify right side
2,303,497,958,817.80x = 4,179,231,061,328,619,819,237,376 - Step 5: Solve for x
x = 4,179,231,061,328,619,819,237,376/2,303,497,958,817.80 - Step 6: Final answer
x = 1,814,297,705,509.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.