Home / 442,141,720.40-661,937,122.20-442,141,720.40

Finding the Fourth Proportional to 442,141,720.40, 661,937,122.20 and 442,141,720.40

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Solution

The fourth proportional to 442,141,720.40, 661,937,122.20 and 442,141,720.40 is: 661,937,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,141,720.40 : 661,937,122.20 = 442,141,720.40 : x
  2. Step 2: Convert to fraction form
    442,141,720.40/661,937,122.20 = 442,141,720.40/x
  3. Step 3: Cross multiply
    442,141,720.40x = 661,937,122.20 × 442,141,720.40
  4. Step 4: Simplify right side
    442,141,720.40x = 292,670,018,006,133,056
  5. Step 5: Solve for x
    x = 292,670,018,006,133,056/442,141,720.40
  6. Step 6: Final answer
    x = 661,937,122.20

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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.