Finding the Fourth Proportional to 4,587,889,483.12, 6,328,995,479.59 and 2,896,440,432.88
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Solution
The fourth proportional to 4,587,889,483.12, 6,328,995,479.59 and 2,896,440,432.88 is: 3,995,640,800.42
Step by Step Solution
- Step 1: Write the proportion equation
4,587,889,483.12 : 6,328,995,479.59 = 2,896,440,432.88 : x - Step 2: Convert to fraction form
4,587,889,483.12/6,328,995,479.59 = 2,896,440,432.88/x - Step 3: Cross multiply
4,587,889,483.12x = 6,328,995,479.59 × 2,896,440,432.88 - Step 4: Simplify right side
4,587,889,483.12x = 18,331,558,406,567,577,600 - Step 5: Solve for x
x = 18,331,558,406,567,577,600/4,587,889,483.12 - Step 6: Final answer
x = 3,995,640,800.42
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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.