Home / 440,710,155.60-660,309,406.20-210,182,859.60

Finding the Fourth Proportional to 440,710,155.60, 660,309,406.20 and 210,182,859.60

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Solution

The fourth proportional to 440,710,155.60, 660,309,406.20 and 210,182,859.60 is: 314,913,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,710,155.60 : 660,309,406.20 = 210,182,859.60 : x
  2. Step 2: Convert to fraction form
    440,710,155.60/660,309,406.20 = 210,182,859.60/x
  3. Step 3: Cross multiply
    440,710,155.60x = 660,309,406.20 × 210,182,859.60
  4. Step 4: Simplify right side
    440,710,155.60x = 138,785,719,215,893,968
  5. Step 5: Solve for x
    x = 138,785,719,215,893,968/440,710,155.60
  6. Step 6: Final answer
    x = 314,913,821.37

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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.