Home / 470,004,291.96-648,620,522.66-258,307,281.24

Finding the Fourth Proportional to 470,004,291.96, 648,620,522.66 and 258,307,281.24

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Solution

The fourth proportional to 470,004,291.96, 648,620,522.66 and 258,307,281.24 is: 356,472,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,004,291.96 : 648,620,522.66 = 258,307,281.24 : x
  2. Step 2: Convert to fraction form
    470,004,291.96/648,620,522.66 = 258,307,281.24/x
  3. Step 3: Cross multiply
    470,004,291.96x = 648,620,522.66 × 258,307,281.24
  4. Step 4: Simplify right side
    470,004,291.96x = 167,543,403,764,772,416
  5. Step 5: Solve for x
    x = 167,543,403,764,772,416/470,004,291.96
  6. Step 6: Final answer
    x = 356,472,071.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.