Finding the Fourth Proportional to 1,758,238,977.20, 2,637,358,465.80 and 723,842,214.80
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Solution
The fourth proportional to 1,758,238,977.20, 2,637,358,465.80 and 723,842,214.80 is: 1,085,763,322.20
Step by Step Solution
- Step 1: Write the proportion equation
1,758,238,977.20 : 2,637,358,465.80 = 723,842,214.80 : x - Step 2: Convert to fraction form
1,758,238,977.20/2,637,358,465.80 = 723,842,214.80/x - Step 3: Cross multiply
1,758,238,977.20x = 2,637,358,465.80 × 723,842,214.80 - Step 4: Simplify right side
1,758,238,977.20x = 1,909,031,393,106,202,112 - Step 5: Solve for x
x = 1,909,031,393,106,202,112/1,758,238,977.20 - Step 6: Final answer
x = 1,085,763,322.20
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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.