Home / 711,176,906.40-1,066,765,359.60-405,066,890.40

Finding the Fourth Proportional to 711,176,906.40, 1,066,765,359.60 and 405,066,890.40

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Solution

The fourth proportional to 711,176,906.40, 1,066,765,359.60 and 405,066,890.40 is: 607,600,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,176,906.40 : 1,066,765,359.60 = 405,066,890.40 : x
  2. Step 2: Convert to fraction form
    711,176,906.40/1,066,765,359.60 = 405,066,890.40/x
  3. Step 3: Cross multiply
    711,176,906.40x = 1,066,765,359.60 × 405,066,890.40
  4. Step 4: Simplify right side
    711,176,906.40x = 432,111,326,999,609,792
  5. Step 5: Solve for x
    x = 432,111,326,999,609,792/711,176,906.40
  6. Step 6: Final answer
    x = 607,600,335.60

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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.