Finding the Fourth Proportional to 2,130,403,794.22, 2,940,048,031.06 and 1,190,606,408.36
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Solution
The fourth proportional to 2,130,403,794.22, 2,940,048,031.06 and 1,190,606,408.36 is: 1,643,087,585.63
Step by Step Solution
- Step 1: Write the proportion equation
2,130,403,794.22 : 2,940,048,031.06 = 1,190,606,408.36 : x - Step 2: Convert to fraction form
2,130,403,794.22/2,940,048,031.06 = 1,190,606,408.36/x - Step 3: Cross multiply
2,130,403,794.22x = 2,940,048,031.06 × 1,190,606,408.36 - Step 4: Simplify right side
2,130,403,794.22x = 3,500,440,026,664,255,488 - Step 5: Solve for x
x = 3,500,440,026,664,255,488/2,130,403,794.22 - Step 6: Final answer
x = 1,643,087,585.63
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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.