Home / 314,928,421.60-472,392,632.40-302,173,837.60

Finding the Fourth Proportional to 314,928,421.60, 472,392,632.40 and 302,173,837.60

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Solution

The fourth proportional to 314,928,421.60, 472,392,632.40 and 302,173,837.60 is: 453,260,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,421.60 : 472,392,632.40 = 302,173,837.60 : x
  2. Step 2: Convert to fraction form
    314,928,421.60/472,392,632.40 = 302,173,837.60/x
  3. Step 3: Cross multiply
    314,928,421.60x = 472,392,632.40 × 302,173,837.60
  4. Step 4: Simplify right side
    314,928,421.60x = 142,744,694,586,274,096
  5. Step 5: Solve for x
    x = 142,744,694,586,274,096/314,928,421.60
  6. Step 6: Final answer
    x = 453,260,756.40

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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.