Finding the Fourth Proportional to 837,502,554.34, 1,155,762,077.94 and 461,194,135.84
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Solution
The fourth proportional to 837,502,554.34, 1,155,762,077.94 and 461,194,135.84 is: 636,452,617.38
Step by Step Solution
- Step 1: Write the proportion equation
837,502,554.34 : 1,155,762,077.94 = 461,194,135.84 : x - Step 2: Convert to fraction form
837,502,554.34/1,155,762,077.94 = 461,194,135.84/x - Step 3: Cross multiply
837,502,554.34x = 1,155,762,077.94 × 461,194,135.84 - Step 4: Simplify right side
837,502,554.34x = 533,030,692,772,180,992 - Step 5: Solve for x
x = 533,030,692,772,180,992/837,502,554.34 - Step 6: Final answer
x = 636,452,617.38
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1.5x scale
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.