Home / 614,548,361.70-921,822,542.55-543,521,272.05

Finding the Fourth Proportional to 614,548,361.70, 921,822,542.55 and 543,521,272.05

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Solution

The fourth proportional to 614,548,361.70, 921,822,542.55 and 543,521,272.05 is: 815,281,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,548,361.70 : 921,822,542.55 = 543,521,272.05 : x
  2. Step 2: Convert to fraction form
    614,548,361.70/921,822,542.55 = 543,521,272.05/x
  3. Step 3: Cross multiply
    614,548,361.70x = 921,822,542.55 × 543,521,272.05
  4. Step 4: Simplify right side
    614,548,361.70x = 501,030,160,931,141,184
  5. Step 5: Solve for x
    x = 501,030,160,931,141,184/614,548,361.70
  6. Step 6: Final answer
    x = 815,281,908.08

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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.