Finding the Fourth Proportional to 974,480,340.30, 1,461,720,510.45 and 756,802,106.70
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Solution
The fourth proportional to 974,480,340.30, 1,461,720,510.45 and 756,802,106.70 is: 1,135,203,160.05
Step by Step Solution
- Step 1: Write the proportion equation
974,480,340.30 : 1,461,720,510.45 = 756,802,106.70 : x - Step 2: Convert to fraction form
974,480,340.30/1,461,720,510.45 = 756,802,106.70/x - Step 3: Cross multiply
974,480,340.30x = 1,461,720,510.45 × 756,802,106.70 - Step 4: Simplify right side
974,480,340.30x = 1,106,233,161,715,159,424 - Step 5: Solve for x
x = 1,106,233,161,715,159,424/974,480,340.30 - Step 6: Final answer
x = 1,135,203,160.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.