Finding the Fourth Proportional to 959,291,780,810.13, 1,438,948,725,153 and 346,717,863,216.12
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Solution
The fourth proportional to 959,291,780,810.13, 1,438,948,725,153 and 346,717,863,216.12 is: 520,080,790,060.85
Step by Step Solution
- Step 1: Write the proportion equation
959,291,780,810.13 : 1,438,948,725,153 = 346,717,863,216.12 : x - Step 2: Convert to fraction form
959,291,780,810.13/1,438,948,725,153 = 346,717,863,216.12/x - Step 3: Cross multiply
959,291,780,810.13x = 1,438,948,725,153 × 346,717,863,216.12 - Step 4: Simplify right side
959,291,780,810.13x = 498,909,227,262,608,102,391,808 - Step 5: Solve for x
x = 498,909,227,262,608,102,391,808/959,291,780,810.13 - Step 6: Final answer
x = 520,080,790,060.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.