Finding the Fourth Proportional to 3,134,897,946.21, 4,326,159,871.91 and 1,725,201,909.08
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Solution
The fourth proportional to 3,134,897,946.21, 4,326,159,871.91 and 1,725,201,909.08 is: 2,380,779,023.14
Step by Step Solution
- Step 1: Write the proportion equation
3,134,897,946.21 : 4,326,159,871.91 = 1,725,201,909.08 : x - Step 2: Convert to fraction form
3,134,897,946.21/4,326,159,871.91 = 1,725,201,909.08/x - Step 3: Cross multiply
3,134,897,946.21x = 4,326,159,871.91 × 1,725,201,909.08 - Step 4: Simplify right side
3,134,897,946.21x = 7,463,499,270,004,419,584 - Step 5: Solve for x
x = 7,463,499,270,004,419,584/3,134,897,946.21 - Step 6: Final answer
x = 2,380,779,023.14
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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.