Finding the Fourth Proportional to 935,694,809.70, 1,403,542,214.55 and 245,671,815.30
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Solution
The fourth proportional to 935,694,809.70, 1,403,542,214.55 and 245,671,815.30 is: 368,507,722.95
Step by Step Solution
- Step 1: Write the proportion equation
935,694,809.70 : 1,403,542,214.55 = 245,671,815.30 : x - Step 2: Convert to fraction form
935,694,809.70/1,403,542,214.55 = 245,671,815.30/x - Step 3: Cross multiply
935,694,809.70x = 1,403,542,214.55 × 245,671,815.30 - Step 4: Simplify right side
935,694,809.70x = 344,810,763,698,680,576 - Step 5: Solve for x
x = 344,810,763,698,680,576/935,694,809.70 - Step 6: Final answer
x = 368,507,722.95
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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.