Finding the Fourth Proportional to 2,391,768,620,137.70, 3,587,662,238,034.90 and 578,641,327,159.68
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Solution
The fourth proportional to 2,391,768,620,137.70, 3,587,662,238,034.90 and 578,641,327,159.68 is: 867,964,242,585.33
Step by Step Solution
- Step 1: Write the proportion equation
2,391,768,620,137.70 : 3,587,662,238,034.90 = 578,641,327,159.68 : x - Step 2: Convert to fraction form
2,391,768,620,137.70/3,587,662,238,034.90 = 578,641,327,159.68/x - Step 3: Cross multiply
2,391,768,620,137.70x = 3,587,662,238,034.90 × 578,641,327,159.68 - Step 4: Simplify right side
2,391,768,620,137.70x = 2,075,969,638,817,182,571,823,104 - Step 5: Solve for x
x = 2,075,969,638,817,182,571,823,104/2,391,768,620,137.70 - Step 6: Final answer
x = 867,964,242,585.33
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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.