Home / 505,210,005.70-757,815,008.55-233,112,213.70

Finding the Fourth Proportional to 505,210,005.70, 757,815,008.55 and 233,112,213.70

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Solution

The fourth proportional to 505,210,005.70, 757,815,008.55 and 233,112,213.70 is: 349,668,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,210,005.70 : 757,815,008.55 = 233,112,213.70 : x
  2. Step 2: Convert to fraction form
    505,210,005.70/757,815,008.55 = 233,112,213.70/x
  3. Step 3: Cross multiply
    505,210,005.70x = 757,815,008.55 × 233,112,213.70
  4. Step 4: Simplify right side
    505,210,005.70x = 176,655,934,218,174,912
  5. Step 5: Solve for x
    x = 176,655,934,218,174,912/505,210,005.70
  6. Step 6: Final answer
    x = 349,668,320.55

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1.5x scale

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.