Finding the Fourth Proportional to 2,239,495,372.80, 3,359,243,059.20 and 2,021,817,139.20
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Solution
The fourth proportional to 2,239,495,372.80, 3,359,243,059.20 and 2,021,817,139.20 is: 3,032,725,708.80
Step by Step Solution
- Step 1: Write the proportion equation
2,239,495,372.80 : 3,359,243,059.20 = 2,021,817,139.20 : x - Step 2: Convert to fraction form
2,239,495,372.80/3,359,243,059.20 = 2,021,817,139.20/x - Step 3: Cross multiply
2,239,495,372.80x = 3,359,243,059.20 × 2,021,817,139.20 - Step 4: Simplify right side
2,239,495,372.80x = 6,791,775,191,829,199,872 - Step 5: Solve for x
x = 6,791,775,191,829,199,872/2,239,495,372.80 - Step 6: Final answer
x = 3,032,725,708.80
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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.