Finding the Fourth Proportional to 307,786,291.41, 424,736,854.43 and 175,624,886.73
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Solution
The fourth proportional to 307,786,291.41, 424,736,854.43 and 175,624,886.73 is: 242,357,648.90
Step by Step Solution
- Step 1: Write the proportion equation
307,786,291.41 : 424,736,854.43 = 175,624,886.73 : x - Step 2: Convert to fraction form
307,786,291.41/424,736,854.43 = 175,624,886.73/x - Step 3: Cross multiply
307,786,291.41x = 424,736,854.43 × 175,624,886.73 - Step 4: Simplify right side
307,786,291.41x = 74,594,361,948,447,120 - Step 5: Solve for x
x = 74,594,361,948,447,120/307,786,291.41 - Step 6: Final answer
x = 242,357,648.90
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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.