Finding the Fourth Proportional to 553,604,212.08, 763,949,619.72 and 302,703,873.84
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Solution
The fourth proportional to 553,604,212.08, 763,949,619.72 and 302,703,873.84 is: 417,718,117.50
Step by Step Solution
- Step 1: Write the proportion equation
553,604,212.08 : 763,949,619.72 = 302,703,873.84 : x - Step 2: Convert to fraction form
553,604,212.08/763,949,619.72 = 302,703,873.84/x - Step 3: Cross multiply
553,604,212.08x = 763,949,619.72 × 302,703,873.84 - Step 4: Simplify right side
553,604,212.08x = 231,250,509,307,838,848 - Step 5: Solve for x
x = 231,250,509,307,838,848/553,604,212.08 - Step 6: Final answer
x = 417,718,117.50
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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.