Finding the Fourth Proportional to 1,937,312,164.20, 2,905,968,246.30 and 1,355,703,133.80
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Solution
The fourth proportional to 1,937,312,164.20, 2,905,968,246.30 and 1,355,703,133.80 is: 2,033,554,700.70
Step by Step Solution
- Step 1: Write the proportion equation
1,937,312,164.20 : 2,905,968,246.30 = 1,355,703,133.80 : x - Step 2: Convert to fraction form
1,937,312,164.20/2,905,968,246.30 = 1,355,703,133.80/x - Step 3: Cross multiply
1,937,312,164.20x = 2,905,968,246.30 × 1,355,703,133.80 - Step 4: Simplify right side
1,937,312,164.20x = 3,939,630,258,232,200,192 - Step 5: Solve for x
x = 3,939,630,258,232,200,192/1,937,312,164.20 - Step 6: Final answer
x = 2,033,554,700.70
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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.