Finding the Fourth Proportional to 598,460,920.80, 898,258,251.60 and 368,878,408.80
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Solution
The fourth proportional to 598,460,920.80, 898,258,251.60 and 368,878,408.80 is: 553,667,019.89
Step by Step Solution
- Step 1: Write the proportion equation
598,460,920.80 : 898,258,251.60 = 368,878,408.80 : x - Step 2: Convert to fraction form
598,460,920.80/898,258,251.60 = 368,878,408.80/x - Step 3: Cross multiply
598,460,920.80x = 898,258,251.60 × 368,878,408.80 - Step 4: Simplify right side
598,460,920.80x = 331,348,074,541,678,080 - Step 5: Solve for x
x = 331,348,074,541,678,080/598,460,920.80 - Step 6: Final answer
x = 553,667,019.89
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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.