Home / 695,460,801.60-1,043,191,202.40-521,998,459.20

Finding the Fourth Proportional to 695,460,801.60, 1,043,191,202.40 and 521,998,459.20

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Solution

The fourth proportional to 695,460,801.60, 1,043,191,202.40 and 521,998,459.20 is: 782,997,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,460,801.60 : 1,043,191,202.40 = 521,998,459.20 : x
  2. Step 2: Convert to fraction form
    695,460,801.60/1,043,191,202.40 = 521,998,459.20/x
  3. Step 3: Cross multiply
    695,460,801.60x = 1,043,191,202.40 × 521,998,459.20
  4. Step 4: Simplify right side
    695,460,801.60x = 544,544,200,303,795,328
  5. Step 5: Solve for x
    x = 544,544,200,303,795,328/695,460,801.60
  6. Step 6: Final answer
    x = 782,997,688.80

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1.5x scale

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.