Finding the Fourth Proportional to 654,587,310.03, 903,349,620.99 and 357,248,635.24
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Solution
The fourth proportional to 654,587,310.03, 903,349,620.99 and 357,248,635.24 is: 493,013,558.77
Step by Step Solution
- Step 1: Write the proportion equation
654,587,310.03 : 903,349,620.99 = 357,248,635.24 : x - Step 2: Convert to fraction form
654,587,310.03/903,349,620.99 = 357,248,635.24/x - Step 3: Cross multiply
654,587,310.03x = 903,349,620.99 × 357,248,635.24 - Step 4: Simplify right side
654,587,310.03x = 322,720,419,243,248,768 - Step 5: Solve for x
x = 322,720,419,243,248,768/654,587,310.03 - Step 6: Final answer
x = 493,013,558.77
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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.