Home / 288,155,501.54-432,405,396.86-264,711,432.76

Finding the Fourth Proportional to 288,155,501.54, 432,405,396.86 and 264,711,432.76

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Solution

The fourth proportional to 288,155,501.54, 432,405,396.86 and 264,711,432.76 is: 397,225,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,155,501.54 : 432,405,396.86 = 264,711,432.76 : x
  2. Step 2: Convert to fraction form
    288,155,501.54/432,405,396.86 = 264,711,432.76/x
  3. Step 3: Cross multiply
    288,155,501.54x = 432,405,396.86 × 264,711,432.76
  4. Step 4: Simplify right side
    288,155,501.54x = 114,462,652,133,562,432
  5. Step 5: Solve for x
    x = 114,462,652,133,562,432/288,155,501.54
  6. Step 6: Final answer
    x = 397,225,288.16

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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.