Finding the Fourth Proportional to 260,595,272.70, 390,892,595.40 and 66,506,708.70
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Solution
The fourth proportional to 260,595,272.70, 390,892,595.40 and 66,506,708.70 is: 99,759,983.00
Step by Step Solution
- Step 1: Write the proportion equation
260,595,272.70 : 390,892,595.40 = 66,506,708.70 : x - Step 2: Convert to fraction form
260,595,272.70/390,892,595.40 = 66,506,708.70/x - Step 3: Cross multiply
260,595,272.70x = 390,892,595.40 × 66,506,708.70 - Step 4: Simplify right side
260,595,272.70x = 25,996,979,975,254,760 - Step 5: Solve for x
x = 25,996,979,975,254,760/260,595,272.70 - Step 6: Final answer
x = 99,759,983.00
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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.