Finding the Fourth Proportional to 307,235,988,425.10, 423,976,459,584.86 and 170,064,437,263.20
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Solution
The fourth proportional to 307,235,988,425.10, 423,976,459,584.86 and 170,064,437,263.20 is: 234,683,828,485.55
Step by Step Solution
- Step 1: Write the proportion equation
307,235,988,425.10 : 423,976,459,584.86 = 170,064,437,263.20 : x - Step 2: Convert to fraction form
307,235,988,425.10/423,976,459,584.86 = 170,064,437,263.20/x - Step 3: Cross multiply
307,235,988,425.10x = 423,976,459,584.86 × 170,064,437,263.20 - Step 4: Simplify right side
307,235,988,425.10x = 72,103,318,012,143,075,328,000 - Step 5: Solve for x
x = 72,103,318,012,143,075,328,000/307,235,988,425.10 - Step 6: Final answer
x = 234,683,828,485.55
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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.