Home / 314,928,539.20-472,392,808.80-193,828,225.60

Finding the Fourth Proportional to 314,928,539.20, 472,392,808.80 and 193,828,225.60

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Solution

The fourth proportional to 314,928,539.20, 472,392,808.80 and 193,828,225.60 is: 290,742,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,539.20 : 472,392,808.80 = 193,828,225.60 : x
  2. Step 2: Convert to fraction form
    314,928,539.20/472,392,808.80 = 193,828,225.60/x
  3. Step 3: Cross multiply
    314,928,539.20x = 472,392,808.80 × 193,828,225.60
  4. Step 4: Simplify right side
    314,928,539.20x = 91,563,059,915,904,064
  5. Step 5: Solve for x
    x = 91,563,059,915,904,064/314,928,539.20
  6. Step 6: Final answer
    x = 290,742,338.40

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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.