Home / 695,520,327.60-1,043,280,491.40-522,057,985.20

Finding the Fourth Proportional to 695,520,327.60, 1,043,280,491.40 and 522,057,985.20

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Solution

The fourth proportional to 695,520,327.60, 1,043,280,491.40 and 522,057,985.20 is: 783,086,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,520,327.60 : 1,043,280,491.40 = 522,057,985.20 : x
  2. Step 2: Convert to fraction form
    695,520,327.60/1,043,280,491.40 = 522,057,985.20/x
  3. Step 3: Cross multiply
    695,520,327.60x = 1,043,280,491.40 × 522,057,985.20
  4. Step 4: Simplify right side
    695,520,327.60x = 544,652,911,338,749,888
  5. Step 5: Solve for x
    x = 544,652,911,338,749,888/695,520,327.60
  6. Step 6: Final answer
    x = 783,086,977.80

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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.