Finding the Fourth Proportional to 7,447,122,912.60, 11,170,684,368.90 and 3,302,166,547.80
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Solution
The fourth proportional to 7,447,122,912.60, 11,170,684,368.90 and 3,302,166,547.80 is: 4,953,249,821.70
Step by Step Solution
- Step 1: Write the proportion equation
7,447,122,912.60 : 11,170,684,368.90 = 3,302,166,547.80 : x - Step 2: Convert to fraction form
7,447,122,912.60/11,170,684,368.90 = 3,302,166,547.80/x - Step 3: Cross multiply
7,447,122,912.60x = 11,170,684,368.90 × 3,302,166,547.80 - Step 4: Simplify right side
7,447,122,912.60x = 36,887,460,239,013,937,152 - Step 5: Solve for x
x = 36,887,460,239,013,937,152/7,447,122,912.60 - Step 6: Final answer
x = 4,953,249,821.70
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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.