Finding the Fourth Proportional to 4,210,572,711, 6,319,487,037.12 and 2,919,015,191.64
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Solution
The fourth proportional to 4,210,572,711, 6,319,487,037.12 and 2,919,015,191.64 is: 4,381,037,908.82
Step by Step Solution
- Step 1: Write the proportion equation
4,210,572,711 : 6,319,487,037.12 = 2,919,015,191.64 : x - Step 2: Convert to fraction form
4,210,572,711/6,319,487,037.12 = 2,919,015,191.64/x - Step 3: Cross multiply
4,210,572,711x = 6,319,487,037.12 × 2,919,015,191.64 - Step 4: Simplify right side
4,210,572,711x = 18,446,678,664,725,331,968 - Step 5: Solve for x
x = 18,446,678,664,725,331,968/4,210,572,711 - Step 6: Final answer
x = 4,381,037,908.82
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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.