Home / 358,710,533.60-538,065,800.40-355,687,224.80

Finding the Fourth Proportional to 358,710,533.60, 538,065,800.40 and 355,687,224.80

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Solution

The fourth proportional to 358,710,533.60, 538,065,800.40 and 355,687,224.80 is: 533,530,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,710,533.60 : 538,065,800.40 = 355,687,224.80 : x
  2. Step 2: Convert to fraction form
    358,710,533.60/538,065,800.40 = 355,687,224.80/x
  3. Step 3: Cross multiply
    358,710,533.60x = 538,065,800.40 × 355,687,224.80
  4. Step 4: Simplify right side
    358,710,533.60x = 191,383,131,304,066,720
  5. Step 5: Solve for x
    x = 191,383,131,304,066,720/358,710,533.60
  6. Step 6: Final answer
    x = 533,530,837.20

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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.