Finding the Fourth Proportional to 773,376,596,436.21, 1,067,211,615,113.90 and 426,127,442,922.51
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Solution
The fourth proportional to 773,376,596,436.21, 1,067,211,615,113.90 and 426,127,442,922.51 is: 588,029,374,953.03
Step by Step Solution
- Step 1: Write the proportion equation
773,376,596,436.21 : 1,067,211,615,113.90 = 426,127,442,922.51 : x - Step 2: Convert to fraction form
773,376,596,436.21/1,067,211,615,113.90 = 426,127,442,922.51/x - Step 3: Cross multiply
773,376,596,436.21x = 1,067,211,615,113.90 × 426,127,442,922.51 - Step 4: Simplify right side
773,376,596,436.21x = 454,768,156,605,688,154,423,296 - Step 5: Solve for x
x = 454,768,156,605,688,154,423,296/773,376,596,436.21 - Step 6: Final answer
x = 588,029,374,953.03
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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.