Finding the Fourth Proportional to 4,828,896,643.10, 7,243,344,964.65 and 1,512,988,238.30
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Solution
The fourth proportional to 4,828,896,643.10, 7,243,344,964.65 and 1,512,988,238.30 is: 2,269,482,357.45
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,643.10 : 7,243,344,964.65 = 1,512,988,238.30 : x - Step 2: Convert to fraction form
4,828,896,643.10/7,243,344,964.65 = 1,512,988,238.30/x - Step 3: Cross multiply
4,828,896,643.10x = 7,243,344,964.65 × 1,512,988,238.30 - Step 4: Simplify right side
4,828,896,643.10x = 10,959,095,737,464,977,408 - Step 5: Solve for x
x = 10,959,095,737,464,977,408/4,828,896,643.10 - Step 6: Final answer
x = 2,269,482,357.45
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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.