Home / 477,724,299,688.65-659,259,508,354.52-257,992,970,658.87

Finding the Fourth Proportional to 477,724,299,688.65, 659,259,508,354.52 and 257,992,970,658.87

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Solution

The fourth proportional to 477,724,299,688.65, 659,259,508,354.52 and 257,992,970,658.87 is: 356,030,285,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,299,688.65 : 659,259,508,354.52 = 257,992,970,658.87 : x
  2. Step 2: Convert to fraction form
    477,724,299,688.65/659,259,508,354.52 = 257,992,970,658.87/x
  3. Step 3: Cross multiply
    477,724,299,688.65x = 659,259,508,354.52 × 257,992,970,658.87
  4. Step 4: Simplify right side
    477,724,299,688.65x = 170,084,318,995,488,733,921,280
  5. Step 5: Solve for x
    x = 170,084,318,995,488,733,921,280/477,724,299,688.65
  6. Step 6: Final answer
    x = 356,030,285,891.55

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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.