Home / 470,184,920.61-703,742,693.27-345,654,584.61

Finding the Fourth Proportional to 470,184,920.61, 703,742,693.27 and 345,654,584.61

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Solution

The fourth proportional to 470,184,920.61, 703,742,693.27 and 345,654,584.61 is: 517,353,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,184,920.61 : 703,742,693.27 = 345,654,584.61 : x
  2. Step 2: Convert to fraction form
    470,184,920.61/703,742,693.27 = 345,654,584.61/x
  3. Step 3: Cross multiply
    470,184,920.61x = 703,742,693.27 × 345,654,584.61
  4. Step 4: Simplify right side
    470,184,920.61x = 243,251,888,312,836,224
  5. Step 5: Solve for x
    x = 243,251,888,312,836,224/470,184,920.61
  6. Step 6: Final answer
    x = 517,353,657.36

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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.