Finding the Fourth Proportional to 316,583,569.58, 436,885,367.48 and 175,463,900.79
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Solution
The fourth proportional to 316,583,569.58, 436,885,367.48 and 175,463,900.79 is: 242,140,206.07
Step by Step Solution
- Step 1: Write the proportion equation
316,583,569.58 : 436,885,367.48 = 175,463,900.79 : x - Step 2: Convert to fraction form
316,583,569.58/436,885,367.48 = 175,463,900.79/x - Step 3: Cross multiply
316,583,569.58x = 436,885,367.48 × 175,463,900.79 - Step 4: Simplify right side
316,583,569.58x = 76,657,610,774,255,760 - Step 5: Solve for x
x = 76,657,610,774,255,760/316,583,569.58 - Step 6: Final answer
x = 242,140,206.07
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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.