Finding the Fourth Proportional to 3,119,496,950.19, 4,305,009,900.45 and 1,709,804,525.20
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Solution
The fourth proportional to 3,119,496,950.19, 4,305,009,900.45 and 1,709,804,525.20 is: 2,359,587,307.30
Step by Step Solution
- Step 1: Write the proportion equation
3,119,496,950.19 : 4,305,009,900.45 = 1,709,804,525.20 : x - Step 2: Convert to fraction form
3,119,496,950.19/4,305,009,900.45 = 1,709,804,525.20/x - Step 3: Cross multiply
3,119,496,950.19x = 4,305,009,900.45 × 1,709,804,525.20 - Step 4: Simplify right side
3,119,496,950.19x = 7,360,725,408,820,211,712 - Step 5: Solve for x
x = 7,360,725,408,820,211,712/3,119,496,950.19 - Step 6: Final answer
x = 2,359,587,307.30
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1.5x scale
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.