Finding the Fourth Proportional to 430,134,717,040.40, 645,202,075,560.60 and 371,313,221,027.60
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Solution
The fourth proportional to 430,134,717,040.40, 645,202,075,560.60 and 371,313,221,027.60 is: 556,969,831,541.40
Step by Step Solution
- Step 1: Write the proportion equation
430,134,717,040.40 : 645,202,075,560.60 = 371,313,221,027.60 : x - Step 2: Convert to fraction form
430,134,717,040.40/645,202,075,560.60 = 371,313,221,027.60/x - Step 3: Cross multiply
430,134,717,040.40x = 645,202,075,560.60 × 371,313,221,027.60 - Step 4: Simplify right side
430,134,717,040.40x = 239,572,060,890,099,334,774,784 - Step 5: Solve for x
x = 239,572,060,890,099,334,774,784/430,134,717,040.40 - Step 6: Final answer
x = 556,969,831,541.40
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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.