Finding the Fourth Proportional to 935,595,490,792.65, 1,291,129,358,118.90 and 518,456,303,794.80
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Solution
The fourth proportional to 935,595,490,792.65, 1,291,129,358,118.90 and 518,456,303,794.80 is: 715,473,900,119.12
Step by Step Solution
- Step 1: Write the proportion equation
935,595,490,792.65 : 1,291,129,358,118.90 = 518,456,303,794.80 : x - Step 2: Convert to fraction form
935,595,490,792.65/1,291,129,358,118.90 = 518,456,303,794.80/x - Step 3: Cross multiply
935,595,490,792.65x = 1,291,129,358,118.90 × 518,456,303,794.80 - Step 4: Simplify right side
935,595,490,792.65x = 669,394,154,731,277,515,751,424 - Step 5: Solve for x
x = 669,394,154,731,277,515,751,424/935,595,490,792.65 - Step 6: Final answer
x = 715,473,900,119.12
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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.