Home / 288,155,502.29-432,405,397.98-264,711,433.51

Finding the Fourth Proportional to 288,155,502.29, 432,405,397.98 and 264,711,433.51

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Solution

The fourth proportional to 288,155,502.29, 432,405,397.98 and 264,711,433.51 is: 397,225,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,155,502.29 : 432,405,397.98 = 264,711,433.51 : x
  2. Step 2: Convert to fraction form
    288,155,502.29/432,405,397.98 = 264,711,433.51/x
  3. Step 3: Cross multiply
    288,155,502.29x = 432,405,397.98 × 264,711,433.51
  4. Step 4: Simplify right side
    288,155,502.29x = 114,462,652,755,666,848
  5. Step 5: Solve for x
    x = 114,462,652,755,666,848/288,155,502.29
  6. Step 6: Final answer
    x = 397,225,289.28

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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.