Finding the Fourth Proportional to 42,276,087,474.84, 63,438,859,162.80 and 15,764,919,355.80
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Solution
The fourth proportional to 42,276,087,474.84, 63,438,859,162.80 and 15,764,919,355.80 is: 23,656,600,183.75
Step by Step Solution
- Step 1: Write the proportion equation
42,276,087,474.84 : 63,438,859,162.80 = 15,764,919,355.80 : x - Step 2: Convert to fraction form
42,276,087,474.84/63,438,859,162.80 = 15,764,919,355.80/x - Step 3: Cross multiply
42,276,087,474.84x = 63,438,859,162.80 × 15,764,919,355.80 - Step 4: Simplify right side
42,276,087,474.84x = 1,000,108,498,725,495,898,112 - Step 5: Solve for x
x = 1,000,108,498,725,495,898,112/42,276,087,474.84 - Step 6: Final answer
x = 23,656,600,183.75
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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.