Finding the Fourth Proportional to 555,124,128.92, 766,071,303 and 307,605,483.08
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Solution
The fourth proportional to 555,124,128.92, 766,071,303 and 307,605,483.08 is: 424,495,569.47
Step by Step Solution
- Step 1: Write the proportion equation
555,124,128.92 : 766,071,303 = 307,605,483.08 : x - Step 2: Convert to fraction form
555,124,128.92/766,071,303 = 307,605,483.08/x - Step 3: Cross multiply
555,124,128.92x = 766,071,303 × 307,605,483.08 - Step 4: Simplify right side
555,124,128.92x = 235,647,733,233,040,032 - Step 5: Solve for x
x = 235,647,733,233,040,032/555,124,128.92 - Step 6: Final answer
x = 424,495,569.47
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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.