Home / 838,529,216.40-1,257,793,824.60-533,175,027.60

Finding the Fourth Proportional to 838,529,216.40, 1,257,793,824.60 and 533,175,027.60

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Solution

The fourth proportional to 838,529,216.40, 1,257,793,824.60 and 533,175,027.60 is: 799,762,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,529,216.40 : 1,257,793,824.60 = 533,175,027.60 : x
  2. Step 2: Convert to fraction form
    838,529,216.40/1,257,793,824.60 = 533,175,027.60/x
  3. Step 3: Cross multiply
    838,529,216.40x = 1,257,793,824.60 × 533,175,027.60
  4. Step 4: Simplify right side
    838,529,216.40x = 670,624,257,146,214,528
  5. Step 5: Solve for x
    x = 670,624,257,146,214,528/838,529,216.40
  6. Step 6: Final answer
    x = 799,762,541.40

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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.