Finding the Fourth Proportional to 3,645,539,448.83, 5,031,653,765.59 and 2,216,306,862.07
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Solution
The fourth proportional to 3,645,539,448.83, 5,031,653,765.59 and 2,216,306,862.07 is: 3,058,995,499.78
Step by Step Solution
- Step 1: Write the proportion equation
3,645,539,448.83 : 5,031,653,765.59 = 2,216,306,862.07 : x - Step 2: Convert to fraction form
3,645,539,448.83/5,031,653,765.59 = 2,216,306,862.07/x - Step 3: Cross multiply
3,645,539,448.83x = 5,031,653,765.59 × 2,216,306,862.07 - Step 4: Simplify right side
3,645,539,448.83x = 11,151,688,768,219,353,088 - Step 5: Solve for x
x = 11,151,688,768,219,353,088/3,645,539,448.83 - Step 6: Final answer
x = 3,058,995,499.78
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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.