Finding the Fourth Proportional to 2,872,785,502.41, 3,964,442,202.66 and 1,552,686,058.41
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Solution
The fourth proportional to 2,872,785,502.41, 3,964,442,202.66 and 1,552,686,058.41 is: 2,142,705,792.78
Step by Step Solution
- Step 1: Write the proportion equation
2,872,785,502.41 : 3,964,442,202.66 = 1,552,686,058.41 : x - Step 2: Convert to fraction form
2,872,785,502.41/3,964,442,202.66 = 1,552,686,058.41/x - Step 3: Cross multiply
2,872,785,502.41x = 3,964,442,202.66 × 1,552,686,058.41 - Step 4: Simplify right side
2,872,785,502.41x = 6,155,534,137,442,413,568 - Step 5: Solve for x
x = 6,155,534,137,442,413,568/2,872,785,502.41 - Step 6: Final answer
x = 2,142,705,792.78
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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.