Finding the Fourth Proportional to 3,119,496,943.06, 4,305,009,890.61 and 1,709,804,518.08
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Solution
The fourth proportional to 3,119,496,943.06, 4,305,009,890.61 and 1,709,804,518.08 is: 2,359,587,297.47
Step by Step Solution
- Step 1: Write the proportion equation
3,119,496,943.06 : 4,305,009,890.61 = 1,709,804,518.08 : x - Step 2: Convert to fraction form
3,119,496,943.06/4,305,009,890.61 = 1,709,804,518.08/x - Step 3: Cross multiply
3,119,496,943.06x = 4,305,009,890.61 × 1,709,804,518.08 - Step 4: Simplify right side
3,119,496,943.06x = 7,360,725,361,344,063,488 - Step 5: Solve for x
x = 7,360,725,361,344,063,488/3,119,496,943.06 - Step 6: Final answer
x = 2,359,587,297.47
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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.