Finding the Fourth Proportional to 701,257,106.16, 967,499,804.52 and 403,893,393.84
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Solution
The fourth proportional to 701,257,106.16, 967,499,804.52 and 403,893,393.84 is: 557,237,532.65
Step by Step Solution
- Step 1: Write the proportion equation
701,257,106.16 : 967,499,804.52 = 403,893,393.84 : x - Step 2: Convert to fraction form
701,257,106.16/967,499,804.52 = 403,893,393.84/x - Step 3: Cross multiply
701,257,106.16x = 967,499,804.52 × 403,893,393.84 - Step 4: Simplify right side
701,257,106.16x = 390,766,779,587,119,360 - Step 5: Solve for x
x = 390,766,779,587,119,360/701,257,106.16 - Step 6: Final answer
x = 557,237,532.65
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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.