Finding the Fourth Proportional to 1,395,293,920,161.70, 1,925,863,869,032.70 and 908,765,243,534.52
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Solution
The fourth proportional to 1,395,293,920,161.70, 1,925,863,869,032.70 and 908,765,243,534.52 is: 1,254,329,372,948.90
Step by Step Solution
- Step 1: Write the proportion equation
1,395,293,920,161.70 : 1,925,863,869,032.70 = 908,765,243,534.52 : x - Step 2: Convert to fraction form
1,395,293,920,161.70/1,925,863,869,032.70 = 908,765,243,534.52/x - Step 3: Cross multiply
1,395,293,920,161.70x = 1,925,863,869,032.70 × 908,765,243,534.52 - Step 4: Simplify right side
1,395,293,920,161.70x = 1,750,158,147,955,834,646,167,552 - Step 5: Solve for x
x = 1,750,158,147,955,834,646,167,552/1,395,293,920,161.70 - Step 6: Final answer
x = 1,254,329,372,948.90
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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.