Finding the Fourth Proportional to 6,715,888,938.90, 10,073,833,408.35 and 3,220,495,193.70
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Solution
The fourth proportional to 6,715,888,938.90, 10,073,833,408.35 and 3,220,495,193.70 is: 4,830,742,790.55
Step by Step Solution
- Step 1: Write the proportion equation
6,715,888,938.90 : 10,073,833,408.35 = 3,220,495,193.70 : x - Step 2: Convert to fraction form
6,715,888,938.90/10,073,833,408.35 = 3,220,495,193.70/x - Step 3: Cross multiply
6,715,888,938.90x = 10,073,833,408.35 × 3,220,495,193.70 - Step 4: Simplify right side
6,715,888,938.90x = 32,442,732,073,725,665,280 - Step 5: Solve for x
x = 32,442,732,073,725,665,280/6,715,888,938.90 - Step 6: Final answer
x = 4,830,742,790.55
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Double scale
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1.5x scale
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.