Home / 289,742,430.60-434,613,645.90-174,667,739.40

Finding the Fourth Proportional to 289,742,430.60, 434,613,645.90 and 174,667,739.40

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Solution

The fourth proportional to 289,742,430.60, 434,613,645.90 and 174,667,739.40 is: 262,001,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,742,430.60 : 434,613,645.90 = 174,667,739.40 : x
  2. Step 2: Convert to fraction form
    289,742,430.60/434,613,645.90 = 174,667,739.40/x
  3. Step 3: Cross multiply
    289,742,430.60x = 434,613,645.90 × 174,667,739.40
  4. Step 4: Simplify right side
    289,742,430.60x = 75,912,983,041,745,072
  5. Step 5: Solve for x
    x = 75,912,983,041,745,072/289,742,430.60
  6. Step 6: Final answer
    x = 262,001,609.10

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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.