Finding the Fourth Proportional to 631,518,251.24, 942,651,889.35 and 556,967,707.76
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Solution
The fourth proportional to 631,518,251.24, 942,651,889.35 and 556,967,707.76 is: 831,372,111.56
Step by Step Solution
- Step 1: Write the proportion equation
631,518,251.24 : 942,651,889.35 = 556,967,707.76 : x - Step 2: Convert to fraction form
631,518,251.24/942,651,889.35 = 556,967,707.76/x - Step 3: Cross multiply
631,518,251.24x = 942,651,889.35 × 556,967,707.76 - Step 4: Simplify right side
631,518,251.24x = 525,026,662,024,117,824 - Step 5: Solve for x
x = 525,026,662,024,117,824/631,518,251.24 - Step 6: Final answer
x = 831,372,111.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.