Finding the Fourth Proportional to 1,357,621,384.84, 1,873,457,102.64 and 793,158,609.40
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Solution
The fourth proportional to 1,357,621,384.84, 1,873,457,102.64 and 793,158,609.40 is: 1,094,523,588.75
Step by Step Solution
- Step 1: Write the proportion equation
1,357,621,384.84 : 1,873,457,102.64 = 793,158,609.40 : x - Step 2: Convert to fraction form
1,357,621,384.84/1,873,457,102.64 = 793,158,609.40/x - Step 3: Cross multiply
1,357,621,384.84x = 1,873,457,102.64 × 793,158,609.40 - Step 4: Simplify right side
1,357,621,384.84x = 1,485,948,630,300,495,616 - Step 5: Solve for x
x = 1,485,948,630,300,495,616/1,357,621,384.84 - Step 6: Final answer
x = 1,094,523,588.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.