Finding the Fourth Proportional to 988,254,765,130.08, 1,363,716,731,239 and 554,623,405,913.96
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Solution
The fourth proportional to 988,254,765,130.08, 1,363,716,731,239 and 554,623,405,913.96 is: 765,338,296,225.74
Step by Step Solution
- Step 1: Write the proportion equation
988,254,765,130.08 : 1,363,716,731,239 = 554,623,405,913.96 : x - Step 2: Convert to fraction form
988,254,765,130.08/1,363,716,731,239 = 554,623,405,913.96/x - Step 3: Cross multiply
988,254,765,130.08x = 1,363,716,731,239 × 554,623,405,913.96 - Step 4: Simplify right side
988,254,765,130.08x = 756,349,218,181,626,569,162,752 - Step 5: Solve for x
x = 756,349,218,181,626,569,162,752/988,254,765,130.08 - Step 6: Final answer
x = 765,338,296,225.74
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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.