Finding the Fourth Proportional to 861,257,547.30, 1,291,823,830.35 and 336,527,983.74
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Solution
The fourth proportional to 861,257,547.30, 1,291,823,830.35 and 336,527,983.74 is: 504,767,558.02
Step by Step Solution
- Step 1: Write the proportion equation
861,257,547.30 : 1,291,823,830.35 = 336,527,983.74 : x - Step 2: Convert to fraction form
861,257,547.30/1,291,823,830.35 = 336,527,983.74/x - Step 3: Cross multiply
861,257,547.30x = 1,291,823,830.35 × 336,527,983.74 - Step 4: Simplify right side
861,257,547.30x = 434,734,868,974,969,280 - Step 5: Solve for x
x = 434,734,868,974,969,280/861,257,547.30 - Step 6: Final answer
x = 504,767,558.02
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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.