Finding the Fourth Proportional to 377,464,564.35, 520,632,771.21 and 251,953,479.18
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Solution
The fourth proportional to 377,464,564.35, 520,632,771.21 and 251,953,479.18 is: 347,516,695.53
Step by Step Solution
- Step 1: Write the proportion equation
377,464,564.35 : 520,632,771.21 = 251,953,479.18 : x - Step 2: Convert to fraction form
377,464,564.35/520,632,771.21 = 251,953,479.18/x - Step 3: Cross multiply
377,464,564.35x = 520,632,771.21 × 251,953,479.18 - Step 4: Simplify right side
377,464,564.35x = 131,175,238,081,484,432 - Step 5: Solve for x
x = 131,175,238,081,484,432/377,464,564.35 - Step 6: Final answer
x = 347,516,695.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.