Finding the Fourth Proportional to 917,206,347.08, 1,374,819,854.78 and 450,324,799.76
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Solution
The fourth proportional to 917,206,347.08, 1,374,819,854.78 and 450,324,799.76 is: 675,001,299.09
Step by Step Solution
- Step 1: Write the proportion equation
917,206,347.08 : 1,374,819,854.78 = 450,324,799.76 : x - Step 2: Convert to fraction form
917,206,347.08/1,374,819,854.78 = 450,324,799.76/x - Step 3: Cross multiply
917,206,347.08x = 1,374,819,854.78 × 450,324,799.76 - Step 4: Simplify right side
917,206,347.08x = 619,115,475,809,875,712 - Step 5: Solve for x
x = 619,115,475,809,875,712/917,206,347.08 - Step 6: Final answer
x = 675,001,299.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.