Home / 538,732,232.40-808,417,213.20-355,030,793.40

Finding the Fourth Proportional to 538,732,232.40, 808,417,213.20 and 355,030,793.40

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Solution

The fourth proportional to 538,732,232.40, 808,417,213.20 and 355,030,793.40 is: 532,756,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,732,232.40 : 808,417,213.20 = 355,030,793.40 : x
  2. Step 2: Convert to fraction form
    538,732,232.40/808,417,213.20 = 355,030,793.40/x
  3. Step 3: Cross multiply
    538,732,232.40x = 808,417,213.20 × 355,030,793.40
  4. Step 4: Simplify right side
    538,732,232.40x = 287,013,004,600,612,960
  5. Step 5: Solve for x
    x = 287,013,004,600,612,960/538,732,232.40
  6. Step 6: Final answer
    x = 532,756,325.57

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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.