Finding the Fourth Proportional to 598,391,479.80, 897,587,219.70 and 404,395,831.80
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Solution
The fourth proportional to 598,391,479.80, 897,587,219.70 and 404,395,831.80 is: 606,593,747.70
Step by Step Solution
- Step 1: Write the proportion equation
598,391,479.80 : 897,587,219.70 = 404,395,831.80 : x - Step 2: Convert to fraction form
598,391,479.80/897,587,219.70 = 404,395,831.80/x - Step 3: Cross multiply
598,391,479.80x = 897,587,219.70 × 404,395,831.80 - Step 4: Simplify right side
598,391,479.80x = 362,980,530,323,630,848 - Step 5: Solve for x
x = 362,980,530,323,630,848/598,391,479.80 - Step 6: Final answer
x = 606,593,747.70
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1.5x scale
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.