Finding the Fourth Proportional to 828,927,898.68, 1,144,020,809.22 and 471,782,510.08
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Solution
The fourth proportional to 828,927,898.68, 1,144,020,809.22 and 471,782,510.08 is: 651,116,954.58
Step by Step Solution
- Step 1: Write the proportion equation
828,927,898.68 : 1,144,020,809.22 = 471,782,510.08 : x - Step 2: Convert to fraction form
828,927,898.68/1,144,020,809.22 = 471,782,510.08/x - Step 3: Cross multiply
828,927,898.68x = 1,144,020,809.22 × 471,782,510.08 - Step 4: Simplify right side
828,927,898.68x = 539,729,008,957,564,416 - Step 5: Solve for x
x = 539,729,008,957,564,416/828,927,898.68 - Step 6: Final answer
x = 651,116,954.58
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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.