Finding the Fourth Proportional to 1,033,563,541.48, 1,549,720,860.06 and 411,874,415.08
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Solution
The fourth proportional to 1,033,563,541.48, 1,549,720,860.06 and 411,874,415.08 is: 617,562,778.83
Step by Step Solution
- Step 1: Write the proportion equation
1,033,563,541.48 : 1,549,720,860.06 = 411,874,415.08 : x - Step 2: Convert to fraction form
1,033,563,541.48/1,549,720,860.06 = 411,874,415.08/x - Step 3: Cross multiply
1,033,563,541.48x = 1,549,720,860.06 × 411,874,415.08 - Step 4: Simplify right side
1,033,563,541.48x = 638,290,372,774,487,040 - Step 5: Solve for x
x = 638,290,372,774,487,040/1,033,563,541.48 - Step 6: Final answer
x = 617,562,778.83
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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.