Finding the Fourth Proportional to 3,830,878,798.08, 5,286,610,403.01 and 2,070,746,206.08
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Solution
The fourth proportional to 3,830,878,798.08, 5,286,610,403.01 and 2,070,746,206.08 is: 2,857,628,500.42
Step by Step Solution
- Step 1: Write the proportion equation
3,830,878,798.08 : 5,286,610,403.01 = 2,070,746,206.08 : x - Step 2: Convert to fraction form
3,830,878,798.08/5,286,610,403.01 = 2,070,746,206.08/x - Step 3: Cross multiply
3,830,878,798.08x = 5,286,610,403.01 × 2,070,746,206.08 - Step 4: Simplify right side
3,830,878,798.08x = 10,947,228,435,056,017,408 - Step 5: Solve for x
x = 10,947,228,435,056,017,408/3,830,878,798.08 - Step 6: Final answer
x = 2,857,628,500.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.