Home / 289,432,096.71-433,011,670.39-223,354,009.68

Finding the Fourth Proportional to 289,432,096.71, 433,011,670.39 and 223,354,009.68

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Solution

The fourth proportional to 289,432,096.71, 433,011,670.39 and 223,354,009.68 is: 334,153,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,432,096.71 : 433,011,670.39 = 223,354,009.68 : x
  2. Step 2: Convert to fraction form
    289,432,096.71/433,011,670.39 = 223,354,009.68/x
  3. Step 3: Cross multiply
    289,432,096.71x = 433,011,670.39 × 223,354,009.68
  4. Step 4: Simplify right side
    289,432,096.71x = 96,714,892,818,496,432
  5. Step 5: Solve for x
    x = 96,714,892,818,496,432/289,432,096.71
  6. Step 6: Final answer
    x = 334,153,999.91

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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.