Finding the Fourth Proportional to 975,507,272.96, 1,346,201,948.16 and 579,109,760
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Solution
The fourth proportional to 975,507,272.96, 1,346,201,948.16 and 579,109,760 is: 799,172,603.55
Step by Step Solution
- Step 1: Write the proportion equation
975,507,272.96 : 1,346,201,948.16 = 579,109,760 : x - Step 2: Convert to fraction form
975,507,272.96/1,346,201,948.16 = 579,109,760/x - Step 3: Cross multiply
975,507,272.96x = 1,346,201,948.16 × 579,109,760 - Step 4: Simplify right side
975,507,272.96x = 779,598,687,110,470,144 - Step 5: Solve for x
x = 779,598,687,110,470,144/975,507,272.96 - Step 6: Final answer
x = 799,172,603.55
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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.