Finding the Fourth Proportional to 6,928,430,564.60, 10,392,645,846.90 and 3,248,307,927.80
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Solution
The fourth proportional to 6,928,430,564.60, 10,392,645,846.90 and 3,248,307,927.80 is: 4,872,461,891.70
Step by Step Solution
- Step 1: Write the proportion equation
6,928,430,564.60 : 10,392,645,846.90 = 3,248,307,927.80 : x - Step 2: Convert to fraction form
6,928,430,564.60/10,392,645,846.90 = 3,248,307,927.80/x - Step 3: Cross multiply
6,928,430,564.60x = 10,392,645,846.90 × 3,248,307,927.80 - Step 4: Simplify right side
6,928,430,564.60x = 33,758,513,895,303,016,448 - Step 5: Solve for x
x = 33,758,513,895,303,016,448/6,928,430,564.60 - Step 6: Final answer
x = 4,872,461,891.70
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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.