Finding the Fourth Proportional to 974,313,547.80, 1,461,470,321.70 and 974,313,547.80
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Solution
The fourth proportional to 974,313,547.80, 1,461,470,321.70 and 974,313,547.80 is: 1,461,470,321.70
Step by Step Solution
- Step 1: Write the proportion equation
974,313,547.80 : 1,461,470,321.70 = 974,313,547.80 : x - Step 2: Convert to fraction form
974,313,547.80/1,461,470,321.70 = 974,313,547.80/x - Step 3: Cross multiply
974,313,547.80x = 1,461,470,321.70 × 974,313,547.80 - Step 4: Simplify right side
974,313,547.80x = 1,423,930,334,139,934,208 - Step 5: Solve for x
x = 1,423,930,334,139,934,208/974,313,547.80 - Step 6: Final answer
x = 1,461,470,321.70
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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.