Finding the Fourth Proportional to 832,211,910.91, 1,148,470,994.40 and 474,972,522.22
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Solution
The fourth proportional to 832,211,910.91, 1,148,470,994.40 and 474,972,522.22 is: 655,472,671.99
Step by Step Solution
- Step 1: Write the proportion equation
832,211,910.91 : 1,148,470,994.40 = 474,972,522.22 : x - Step 2: Convert to fraction form
832,211,910.91/1,148,470,994.40 = 474,972,522.22/x - Step 3: Cross multiply
832,211,910.91x = 1,148,470,994.40 × 474,972,522.22 - Step 4: Simplify right side
832,211,910.91x = 545,492,164,906,679,552 - Step 5: Solve for x
x = 545,492,164,906,679,552/832,211,910.91 - Step 6: Final answer
x = 655,472,671.99
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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.