Finding the Fourth Proportional to 302,464,943.45, 453,697,415.18 and 149,184,431.45
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Solution
The fourth proportional to 302,464,943.45, 453,697,415.18 and 149,184,431.45 is: 223,776,647.18
Step by Step Solution
- Step 1: Write the proportion equation
302,464,943.45 : 453,697,415.18 = 149,184,431.45 : x - Step 2: Convert to fraction form
302,464,943.45/453,697,415.18 = 149,184,431.45/x - Step 3: Cross multiply
302,464,943.45x = 453,697,415.18 × 149,184,431.45 - Step 4: Simplify right side
302,464,943.45x = 67,684,590,933,962,896 - Step 5: Solve for x
x = 67,684,590,933,962,896/302,464,943.45 - Step 6: Final answer
x = 223,776,647.18
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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.