Finding the Fourth Proportional to 1,474,482,659.96, 2,034,793,005.99 and 805,436,986.84
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Solution
The fourth proportional to 1,474,482,659.96, 2,034,793,005.99 and 805,436,986.84 is: 1,111,506,830.22
Step by Step Solution
- Step 1: Write the proportion equation
1,474,482,659.96 : 2,034,793,005.99 = 805,436,986.84 : x - Step 2: Convert to fraction form
1,474,482,659.96/2,034,793,005.99 = 805,436,986.84/x - Step 3: Cross multiply
1,474,482,659.96x = 2,034,793,005.99 × 805,436,986.84 - Step 4: Simplify right side
1,474,482,659.96x = 1,638,897,547,582,604,544 - Step 5: Solve for x
x = 1,638,897,547,582,604,544/1,474,482,659.96 - Step 6: Final answer
x = 1,111,506,830.22
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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.