Finding the Fourth Proportional to 1,417,180,217.80, 2,125,770,326.70 and 901,895,024.20
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Solution
The fourth proportional to 1,417,180,217.80, 2,125,770,326.70 and 901,895,024.20 is: 1,352,842,536.30
Step by Step Solution
- Step 1: Write the proportion equation
1,417,180,217.80 : 2,125,770,326.70 = 901,895,024.20 : x - Step 2: Convert to fraction form
1,417,180,217.80/2,125,770,326.70 = 901,895,024.20/x - Step 3: Cross multiply
1,417,180,217.80x = 2,125,770,326.70 × 901,895,024.20 - Step 4: Simplify right side
1,417,180,217.80x = 1,917,221,680,242,738,432 - Step 5: Solve for x
x = 1,917,221,680,242,738,432/1,417,180,217.80 - Step 6: Final answer
x = 1,352,842,536.30
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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.