Finding the Fourth Proportional to 992,992,466.64, 1,370,329,587.72 and 575,546,883.60
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Solution
The fourth proportional to 992,992,466.64, 1,370,329,587.72 and 575,546,883.60 is: 794,254,689.95
Step by Step Solution
- Step 1: Write the proportion equation
992,992,466.64 : 1,370,329,587.72 = 575,546,883.60 : x - Step 2: Convert to fraction form
992,992,466.64/1,370,329,587.72 = 575,546,883.60/x - Step 3: Cross multiply
992,992,466.64x = 1,370,329,587.72 × 575,546,883.60 - Step 4: Simplify right side
992,992,466.64x = 788,688,923,717,118,848 - Step 5: Solve for x
x = 788,688,923,717,118,848/992,992,466.64 - Step 6: Final answer
x = 794,254,689.95
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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.