Finding the Fourth Proportional to 935,735,159.36, 1,291,314,832.35 and 512,375,596.76
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Solution
The fourth proportional to 935,735,159.36, 1,291,314,832.35 and 512,375,596.76 is: 707,078,494.61
Step by Step Solution
- Step 1: Write the proportion equation
935,735,159.36 : 1,291,314,832.35 = 512,375,596.76 : x - Step 2: Convert to fraction form
935,735,159.36/1,291,314,832.35 = 512,375,596.76/x - Step 3: Cross multiply
935,735,159.36x = 1,291,314,832.35 × 512,375,596.76 - Step 4: Simplify right side
935,735,159.36x = 661,638,207,830,370,560 - Step 5: Solve for x
x = 661,638,207,830,370,560/935,735,159.36 - Step 6: Final answer
x = 707,078,494.61
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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.