Finding the Fourth Proportional to 970,352,062.20, 1,455,528,093.30 and 865,544,023.80
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Solution
The fourth proportional to 970,352,062.20, 1,455,528,093.30 and 865,544,023.80 is: 1,298,316,035.70
Step by Step Solution
- Step 1: Write the proportion equation
970,352,062.20 : 1,455,528,093.30 = 865,544,023.80 : x - Step 2: Convert to fraction form
970,352,062.20/1,455,528,093.30 = 865,544,023.80/x - Step 3: Cross multiply
970,352,062.20x = 1,455,528,093.30 × 865,544,023.80 - Step 4: Simplify right side
970,352,062.20x = 1,259,823,642,628,823,808 - Step 5: Solve for x
x = 1,259,823,642,628,823,808/970,352,062.20 - Step 6: Final answer
x = 1,298,316,035.70
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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.