Finding the Fourth Proportional to 1,271,084,031.76, 1,754,242,924.98 and 742,580,129.08
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Solution
The fourth proportional to 1,271,084,031.76, 1,754,242,924.98 and 742,580,129.08 is: 1,024,846,434.32
Step by Step Solution
- Step 1: Write the proportion equation
1,271,084,031.76 : 1,754,242,924.98 = 742,580,129.08 : x - Step 2: Convert to fraction form
1,271,084,031.76/1,754,242,924.98 = 742,580,129.08/x - Step 3: Cross multiply
1,271,084,031.76x = 1,754,242,924.98 × 742,580,129.08 - Step 4: Simplify right side
1,271,084,031.76x = 1,302,665,937,669,325,312 - Step 5: Solve for x
x = 1,302,665,937,669,325,312/1,271,084,031.76 - Step 6: Final answer
x = 1,024,846,434.32
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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.