Finding the Fourth Proportional to 1,001,546,966.84, 1,382,300,319.36 and 555,653,987.48
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Solution
The fourth proportional to 1,001,546,966.84, 1,382,300,319.36 and 555,653,987.48 is: 766,894,324.26
Step by Step Solution
- Step 1: Write the proportion equation
1,001,546,966.84 : 1,382,300,319.36 = 555,653,987.48 : x - Step 2: Convert to fraction form
1,001,546,966.84/1,382,300,319.36 = 555,653,987.48/x - Step 3: Cross multiply
1,001,546,966.84x = 1,382,300,319.36 × 555,653,987.48 - Step 4: Simplify right side
1,001,546,966.84x = 768,080,684,347,261,440 - Step 5: Solve for x
x = 768,080,684,347,261,440/1,001,546,966.84 - Step 6: Final answer
x = 766,894,324.26
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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.