Finding the Fourth Proportional to 943,881,350.99, 1,302,561,830.86 and 547,640,275.46
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Solution
The fourth proportional to 943,881,350.99, 1,302,561,830.86 and 547,640,275.46 is: 755,746,809.81
Step by Step Solution
- Step 1: Write the proportion equation
943,881,350.99 : 1,302,561,830.86 = 547,640,275.46 : x - Step 2: Convert to fraction form
943,881,350.99/1,302,561,830.86 = 547,640,275.46/x - Step 3: Cross multiply
943,881,350.99x = 1,302,561,830.86 × 547,640,275.46 - Step 4: Simplify right side
943,881,350.99x = 713,335,319,847,915,648 - Step 5: Solve for x
x = 713,335,319,847,915,648/943,881,350.99 - Step 6: Final answer
x = 755,746,809.81
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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.