Finding the Fourth Proportional to 302,171,420.60, 453,928,977.30 and 290,750,031.80
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Solution
The fourth proportional to 302,171,420.60, 453,928,977.30 and 290,750,031.80 is: 436,771,499.84
Step by Step Solution
- Step 1: Write the proportion equation
302,171,420.60 : 453,928,977.30 = 290,750,031.80 : x - Step 2: Convert to fraction form
302,171,420.60/453,928,977.30 = 290,750,031.80/x - Step 3: Cross multiply
302,171,420.60x = 453,928,977.30 × 290,750,031.80 - Step 4: Simplify right side
302,171,420.60x = 131,979,864,584,916,480 - Step 5: Solve for x
x = 131,979,864,584,916,480/302,171,420.60 - Step 6: Final answer
x = 436,771,499.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.