Finding the Fourth Proportional to 4,979,896,568.64, 6,875,426,737.44 and 3,103,059,124.80
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Solution
The fourth proportional to 4,979,896,568.64, 6,875,426,737.44 and 3,103,059,124.80 is: 4,284,196,545.14
Step by Step Solution
- Step 1: Write the proportion equation
4,979,896,568.64 : 6,875,426,737.44 = 3,103,059,124.80 : x - Step 2: Convert to fraction form
4,979,896,568.64/6,875,426,737.44 = 3,103,059,124.80/x - Step 3: Cross multiply
4,979,896,568.64x = 6,875,426,737.44 × 3,103,059,124.80 - Step 4: Simplify right side
4,979,896,568.64x = 21,334,855,674,507,083,776 - Step 5: Solve for x
x = 21,334,855,674,507,083,776/4,979,896,568.64 - Step 6: Final answer
x = 4,284,196,545.14
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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.