Home / 1,518,441,098.40-2,277,661,647.60-427,924,166.40

Finding the Fourth Proportional to 1,518,441,098.40, 2,277,661,647.60 and 427,924,166.40

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Solution

The fourth proportional to 1,518,441,098.40, 2,277,661,647.60 and 427,924,166.40 is: 641,886,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,441,098.40 : 2,277,661,647.60 = 427,924,166.40 : x
  2. Step 2: Convert to fraction form
    1,518,441,098.40/2,277,661,647.60 = 427,924,166.40/x
  3. Step 3: Cross multiply
    1,518,441,098.40x = 2,277,661,647.60 × 427,924,166.40
  4. Step 4: Simplify right side
    1,518,441,098.40x = 974,666,461,890,480,512
  5. Step 5: Solve for x
    x = 974,666,461,890,480,512/1,518,441,098.40
  6. Step 6: Final answer
    x = 641,886,249.60

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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.