Home / 773,376,010.40-1,160,064,015.60-446,410,762.40

Finding the Fourth Proportional to 773,376,010.40, 1,160,064,015.60 and 446,410,762.40

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Solution

The fourth proportional to 773,376,010.40, 1,160,064,015.60 and 446,410,762.40 is: 669,616,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,376,010.40 : 1,160,064,015.60 = 446,410,762.40 : x
  2. Step 2: Convert to fraction form
    773,376,010.40/1,160,064,015.60 = 446,410,762.40/x
  3. Step 3: Cross multiply
    773,376,010.40x = 1,160,064,015.60 × 446,410,762.40
  4. Step 4: Simplify right side
    773,376,010.40x = 517,865,061,636,801,408
  5. Step 5: Solve for x
    x = 517,865,061,636,801,408/773,376,010.40
  6. Step 6: Final answer
    x = 669,616,143.60

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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.