Home / 354,294,705.60-531,442,058.40-245,243,012.40

Finding the Fourth Proportional to 354,294,705.60, 531,442,058.40 and 245,243,012.40

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Solution

The fourth proportional to 354,294,705.60, 531,442,058.40 and 245,243,012.40 is: 367,864,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,705.60 : 531,442,058.40 = 245,243,012.40 : x
  2. Step 2: Convert to fraction form
    354,294,705.60/531,442,058.40 = 245,243,012.40/x
  3. Step 3: Cross multiply
    354,294,705.60x = 531,442,058.40 × 245,243,012.40
  4. Step 4: Simplify right side
    354,294,705.60x = 130,332,451,318,072,720
  5. Step 5: Solve for x
    x = 130,332,451,318,072,720/354,294,705.60
  6. Step 6: Final answer
    x = 367,864,518.60

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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.