Home / 470,059,749.60-705,089,624.40-286,123,135.20

Finding the Fourth Proportional to 470,059,749.60, 705,089,624.40 and 286,123,135.20

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Solution

The fourth proportional to 470,059,749.60, 705,089,624.40 and 286,123,135.20 is: 429,184,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,059,749.60 : 705,089,624.40 = 286,123,135.20 : x
  2. Step 2: Convert to fraction form
    470,059,749.60/705,089,624.40 = 286,123,135.20/x
  3. Step 3: Cross multiply
    470,059,749.60x = 705,089,624.40 × 286,123,135.20
  4. Step 4: Simplify right side
    470,059,749.60x = 201,742,453,930,318,400
  5. Step 5: Solve for x
    x = 201,742,453,930,318,400/470,059,749.60
  6. Step 6: Final answer
    x = 429,184,702.80

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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.