Home / 1,518,153,608.40-2,277,230,412.60-905,429,691.60

Finding the Fourth Proportional to 1,518,153,608.40, 2,277,230,412.60 and 905,429,691.60

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Solution

The fourth proportional to 1,518,153,608.40, 2,277,230,412.60 and 905,429,691.60 is: 1,358,144,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,153,608.40 : 2,277,230,412.60 = 905,429,691.60 : x
  2. Step 2: Convert to fraction form
    1,518,153,608.40/2,277,230,412.60 = 905,429,691.60/x
  3. Step 3: Cross multiply
    1,518,153,608.40x = 2,277,230,412.60 × 905,429,691.60
  4. Step 4: Simplify right side
    1,518,153,608.40x = 2,061,872,030,182,558,720
  5. Step 5: Solve for x
    x = 2,061,872,030,182,558,720/1,518,153,608.40
  6. Step 6: Final answer
    x = 1,358,144,537.40

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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.