Home / 510,938,799.18-705,095,826.27-275,989,460.95

Finding the Fourth Proportional to 510,938,799.18, 705,095,826.27 and 275,989,460.95

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Solution

The fourth proportional to 510,938,799.18, 705,095,826.27 and 275,989,460.95 is: 380,865,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,938,799.18 : 705,095,826.27 = 275,989,460.95 : x
  2. Step 2: Convert to fraction form
    510,938,799.18/705,095,826.27 = 275,989,460.95/x
  3. Step 3: Cross multiply
    510,938,799.18x = 705,095,826.27 × 275,989,460.95
  4. Step 4: Simplify right side
    510,938,799.18x = 194,599,017,007,008,704
  5. Step 5: Solve for x
    x = 194,599,017,007,008,704/510,938,799.18
  6. Step 6: Final answer
    x = 380,865,609.18

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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.