Finding the Fourth Proportional to 2,427,506,427.35, 3,639,785,137.68 and 951,878,412.74
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Solution
The fourth proportional to 2,427,506,427.35, 3,639,785,137.68 and 951,878,412.74 is: 1,427,239,434.07
Step by Step Solution
- Step 1: Write the proportion equation
2,427,506,427.35 : 3,639,785,137.68 = 951,878,412.74 : x - Step 2: Convert to fraction form
2,427,506,427.35/3,639,785,137.68 = 951,878,412.74/x - Step 3: Cross multiply
2,427,506,427.35x = 3,639,785,137.68 × 951,878,412.74 - Step 4: Simplify right side
2,427,506,427.35x = 3,464,632,899,582,006,784 - Step 5: Solve for x
x = 3,464,632,899,582,006,784/2,427,506,427.35 - Step 6: Final answer
x = 1,427,239,434.07
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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.