Home / 291,346,223.70-437,019,335.55-223,321,775.70

Finding the Fourth Proportional to 291,346,223.70, 437,019,335.55 and 223,321,775.70

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Solution

The fourth proportional to 291,346,223.70, 437,019,335.55 and 223,321,775.70 is: 334,982,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,346,223.70 : 437,019,335.55 = 223,321,775.70 : x
  2. Step 2: Convert to fraction form
    291,346,223.70/437,019,335.55 = 223,321,775.70/x
  3. Step 3: Cross multiply
    291,346,223.70x = 437,019,335.55 × 223,321,775.70
  4. Step 4: Simplify right side
    291,346,223.70x = 97,595,934,030,260,128
  5. Step 5: Solve for x
    x = 97,595,934,030,260,128/291,346,223.70
  6. Step 6: Final answer
    x = 334,982,663.55

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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.