Finding the Fourth Proportional to 654,922,466.26, 903,788,324.07 and 357,564,698.71
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Solution
The fourth proportional to 654,922,466.26, 903,788,324.07 and 357,564,698.71 is: 493,436,729.45
Step by Step Solution
- Step 1: Write the proportion equation
654,922,466.26 : 903,788,324.07 = 357,564,698.71 : x - Step 2: Convert to fraction form
654,922,466.26/903,788,324.07 = 357,564,698.71/x - Step 3: Cross multiply
654,922,466.26x = 903,788,324.07 × 357,564,698.71 - Step 4: Simplify right side
654,922,466.26x = 323,162,799,793,705,408 - Step 5: Solve for x
x = 323,162,799,793,705,408/654,922,466.26 - Step 6: Final answer
x = 493,436,729.45
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Double scale
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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.