Finding the Fourth Proportional to 935,595,490,807.80, 1,291,129,358,139.70 and 518,456,303,810.04
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Solution
The fourth proportional to 935,595,490,807.80, 1,291,129,358,139.70 and 518,456,303,810.04 is: 715,473,900,140.09
Step by Step Solution
- Step 1: Write the proportion equation
935,595,490,807.80 : 1,291,129,358,139.70 = 518,456,303,810.04 : x - Step 2: Convert to fraction form
935,595,490,807.80/1,291,129,358,139.70 = 518,456,303,810.04/x - Step 3: Cross multiply
935,595,490,807.80x = 1,291,129,358,139.70 × 518,456,303,810.04 - Step 4: Simplify right side
935,595,490,807.80x = 669,394,154,761,738,229,121,024 - Step 5: Solve for x
x = 669,394,154,761,738,229,121,024/935,595,490,807.80 - Step 6: Final answer
x = 715,473,900,140.09
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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.