Finding the Fourth Proportional to 1,813,479,722.70, 2,720,414,001.06 and 503,387,312.76
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Solution
The fourth proportional to 1,813,479,722.70, 2,720,414,001.06 and 503,387,312.76 is: 755,134,935.59
Step by Step Solution
- Step 1: Write the proportion equation
1,813,479,722.70 : 2,720,414,001.06 = 503,387,312.76 : x - Step 2: Convert to fraction form
1,813,479,722.70/2,720,414,001.06 = 503,387,312.76/x - Step 3: Cross multiply
1,813,479,722.70x = 2,720,414,001.06 × 503,387,312.76 - Step 4: Simplify right side
1,813,479,722.70x = 1,369,421,893,588,273,152 - Step 5: Solve for x
x = 1,369,421,893,588,273,152/1,813,479,722.70 - Step 6: Final answer
x = 755,134,935.59
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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.