Finding the Fourth Proportional to 7,447,122,117.60, 11,170,683,176.40 and 3,302,165,752.80
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Solution
The fourth proportional to 7,447,122,117.60, 11,170,683,176.40 and 3,302,165,752.80 is: 4,953,248,629.20
Step by Step Solution
- Step 1: Write the proportion equation
7,447,122,117.60 : 11,170,683,176.40 = 3,302,165,752.80 : x - Step 2: Convert to fraction form
7,447,122,117.60/11,170,683,176.40 = 3,302,165,752.80/x - Step 3: Cross multiply
7,447,122,117.60x = 11,170,683,176.40 × 3,302,165,752.80 - Step 4: Simplify right side
7,447,122,117.60x = 36,887,447,420,487,200,768 - Step 5: Solve for x
x = 36,887,447,420,487,200,768/7,447,122,117.60 - Step 6: Final answer
x = 4,953,248,629.20
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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.