Finding the Fourth Proportional to 1,708,584,534,395.90, 2,357,848,992,364.40 and 927,317,673,947.95
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Solution
The fourth proportional to 1,708,584,534,395.90, 2,357,848,992,364.40 and 927,317,673,947.95 is: 1,279,699,657,291.43
Step by Step Solution
- Step 1: Write the proportion equation
1,708,584,534,395.90 : 2,357,848,992,364.40 = 927,317,673,947.95 : x - Step 2: Convert to fraction form
1,708,584,534,395.90/2,357,848,992,364.40 = 927,317,673,947.95/x - Step 3: Cross multiply
1,708,584,534,395.90x = 2,357,848,992,364.40 × 927,317,673,947.95 - Step 4: Simplify right side
1,708,584,534,395.90x = 2,186,475,043,119,872,971,112,448 - Step 5: Solve for x
x = 2,186,475,043,119,872,971,112,448/1,708,584,534,395.90 - Step 6: Final answer
x = 1,279,699,657,291.43
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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.