Finding the Fourth Proportional to 1,440,032,058.05, 2,160,032,340.62 and 349,515,126.05
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Solution
The fourth proportional to 1,440,032,058.05, 2,160,032,340.62 and 349,515,126.05 is: 524,268,867.20
Step by Step Solution
- Step 1: Write the proportion equation
1,440,032,058.05 : 2,160,032,340.62 = 349,515,126.05 : x - Step 2: Convert to fraction form
1,440,032,058.05/2,160,032,340.62 = 349,515,126.05/x - Step 3: Cross multiply
1,440,032,058.05x = 2,160,032,340.62 × 349,515,126.05 - Step 4: Simplify right side
1,440,032,058.05x = 754,963,975,802,128,256 - Step 5: Solve for x
x = 754,963,975,802,128,256/1,440,032,058.05 - Step 6: Final answer
x = 524,268,867.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.