Finding the Fourth Proportional to 15,332,933,845.62, 21,159,462,854.61 and 8,292,403,477.62
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Solution
The fourth proportional to 15,332,933,845.62, 21,159,462,854.61 and 8,292,403,477.62 is: 11,443,524,450.49
Step by Step Solution
- Step 1: Write the proportion equation
15,332,933,845.62 : 21,159,462,854.61 = 8,292,403,477.62 : x - Step 2: Convert to fraction form
15,332,933,845.62/21,159,462,854.61 = 8,292,403,477.62/x - Step 3: Cross multiply
15,332,933,845.62x = 21,159,462,854.61 × 8,292,403,477.62 - Step 4: Simplify right side
15,332,933,845.62x = 175,462,803,360,139,182,080 - Step 5: Solve for x
x = 175,462,803,360,139,182,080/15,332,933,845.62 - Step 6: Final answer
x = 11,443,524,450.49
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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.