Finding the Fourth Proportional to 935,629,386.35, 1,291,178,756.84 and 517,948,646.81
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Solution
The fourth proportional to 935,629,386.35, 1,291,178,756.84 and 517,948,646.81 is: 714,774,781.18
Step by Step Solution
- Step 1: Write the proportion equation
935,629,386.35 : 1,291,178,756.84 = 517,948,646.81 : x - Step 2: Convert to fraction form
935,629,386.35/1,291,178,756.84 = 517,948,646.81/x - Step 3: Cross multiply
935,629,386.35x = 1,291,178,756.84 × 517,948,646.81 - Step 4: Simplify right side
935,629,386.35x = 668,764,289,895,095,936 - Step 5: Solve for x
x = 668,764,289,895,095,936/935,629,386.35 - Step 6: Final answer
x = 714,774,781.18
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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.