Finding the Fourth Proportional to 3,069,170,026.18, 4,234,487,780.73 and 1,878,497,708.74
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Solution
The fourth proportional to 3,069,170,026.18, 4,234,487,780.73 and 1,878,497,708.74 is: 2,591,735,070.37
Step by Step Solution
- Step 1: Write the proportion equation
3,069,170,026.18 : 4,234,487,780.73 = 1,878,497,708.74 : x - Step 2: Convert to fraction form
3,069,170,026.18/4,234,487,780.73 = 1,878,497,708.74/x - Step 3: Cross multiply
3,069,170,026.18x = 4,234,487,780.73 × 1,878,497,708.74 - Step 4: Simplify right side
3,069,170,026.18x = 7,954,475,593,788,832,768 - Step 5: Solve for x
x = 7,954,475,593,788,832,768/3,069,170,026.18 - Step 6: Final answer
x = 2,591,735,070.37
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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.