Finding the Fourth Proportional to 1,365,495,404.76, 2,048,248,421.28 and 330,354,624.96
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Solution
The fourth proportional to 1,365,495,404.76, 2,048,248,421.28 and 330,354,624.96 is: 495,533,223.09
Step by Step Solution
- Step 1: Write the proportion equation
1,365,495,404.76 : 2,048,248,421.28 = 330,354,624.96 : x - Step 2: Convert to fraction form
1,365,495,404.76/2,048,248,421.28 = 330,354,624.96/x - Step 3: Cross multiply
1,365,495,404.76x = 2,048,248,421.28 × 330,354,624.96 - Step 4: Simplify right side
1,365,495,404.76x = 676,648,339,036,866,432 - Step 5: Solve for x
x = 676,648,339,036,866,432/1,365,495,404.76 - Step 6: Final answer
x = 495,533,223.09
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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.