Finding the Fourth Proportional to 4,172,429,793.60, 6,258,644,690.40 and 2,519,435,707.20
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Solution
The fourth proportional to 4,172,429,793.60, 6,258,644,690.40 and 2,519,435,707.20 is: 3,779,153,560.80
Step by Step Solution
- Step 1: Write the proportion equation
4,172,429,793.60 : 6,258,644,690.40 = 2,519,435,707.20 : x - Step 2: Convert to fraction form
4,172,429,793.60/6,258,644,690.40 = 2,519,435,707.20/x - Step 3: Cross multiply
4,172,429,793.60x = 6,258,644,690.40 × 2,519,435,707.20 - Step 4: Simplify right side
4,172,429,793.60x = 15,768,252,911,671,447,552 - Step 5: Solve for x
x = 15,768,252,911,671,447,552/4,172,429,793.60 - Step 6: Final answer
x = 3,779,153,560.80
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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.