Home / 289,742,421.60-434,613,632.40-174,667,730.40

Finding the Fourth Proportional to 289,742,421.60, 434,613,632.40 and 174,667,730.40

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Solution

The fourth proportional to 289,742,421.60, 434,613,632.40 and 174,667,730.40 is: 262,001,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,742,421.60 : 434,613,632.40 = 174,667,730.40 : x
  2. Step 2: Convert to fraction form
    289,742,421.60/434,613,632.40 = 174,667,730.40/x
  3. Step 3: Cross multiply
    289,742,421.60x = 434,613,632.40 × 174,667,730.40
  4. Step 4: Simplify right side
    289,742,421.60x = 75,912,976,772,207,904
  5. Step 5: Solve for x
    x = 75,912,976,772,207,904/289,742,421.60
  6. Step 6: Final answer
    x = 262,001,595.60

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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.