Finding the Fourth Proportional to 398,182,752.70, 597,276,018.16 and 121,833,526.12
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Solution
The fourth proportional to 398,182,752.70, 597,276,018.16 and 121,833,526.12 is: 182,750,867.20
Step by Step Solution
- Step 1: Write the proportion equation
398,182,752.70 : 597,276,018.16 = 121,833,526.12 : x - Step 2: Convert to fraction form
398,182,752.70/597,276,018.16 = 121,833,526.12/x - Step 3: Cross multiply
398,182,752.70x = 597,276,018.16 × 121,833,526.12 - Step 4: Simplify right side
398,182,752.70x = 72,768,243,358,731,584 - Step 5: Solve for x
x = 72,768,243,358,731,584/398,182,752.70 - Step 6: Final answer
x = 182,750,867.20
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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.