Finding the Fourth Proportional to 2,486,708,583.52, 3,730,011,653.04 and 828,736,271.68
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Solution
The fourth proportional to 2,486,708,583.52, 3,730,011,653.04 and 828,736,271.68 is: 1,243,087,336.87
Step by Step Solution
- Step 1: Write the proportion equation
2,486,708,583.52 : 3,730,011,653.04 = 828,736,271.68 : x - Step 2: Convert to fraction form
2,486,708,583.52/3,730,011,653.04 = 828,736,271.68/x - Step 3: Cross multiply
2,486,708,583.52x = 3,730,011,653.04 × 828,736,271.68 - Step 4: Simplify right side
2,486,708,583.52x = 3,091,195,950,663,323,136 - Step 5: Solve for x
x = 3,091,195,950,663,323,136/2,486,708,583.52 - Step 6: Final answer
x = 1,243,087,336.87
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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.