Home / 380,297,345.10-570,527,898.40-117,976,580.34

Finding the Fourth Proportional to 380,297,345.10, 570,527,898.40 and 117,976,580.34

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Solution

The fourth proportional to 380,297,345.10, 570,527,898.40 and 117,976,580.34 is: 176,990,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,297,345.10 : 570,527,898.40 = 117,976,580.34 : x
  2. Step 2: Convert to fraction form
    380,297,345.10/570,527,898.40 = 117,976,580.34/x
  3. Step 3: Cross multiply
    380,297,345.10x = 570,527,898.40 × 117,976,580.34
  4. Step 4: Simplify right side
    380,297,345.10x = 67,308,930,441,798,960
  5. Step 5: Solve for x
    x = 67,308,930,441,798,960/380,297,345.10
  6. Step 6: Final answer
    x = 176,990,271.72

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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.